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Best Bathroom Sink Drain Models (TOP 10 Rated)

Best Bathroom Sink Drains

Looking for the best bathroom sink drain models? We have a guide that helps you find the perfect options for your DIY project.

The performance of the bathroom sink drain system mainly depends on the sink’s basin drain and the faucet it has.

The bathroom sink drain should be easy to use and made up of some solid and sturdy material so that does not tarnish over the years.

The best bathroom sink drain determines the flow of water out of the sink. If the drain is not the proper size or is not installed properly, the sink is going to leak in most cases; otherwise, it will be clogged frequently.

In case of a rubber or foam gasket attached to the edge of the drain, make sure it is sealed with the proper application of putty or silicone.

A pop-up sink basin drain is a good choice if you fill your sink with water for any purpose. The pop-up lever allows you to close the drain to fill water whenever needed with a bathroom sink stopper.

You can empty it by simply moving the lever. Most drains come in a standard size; however, it is always a good idea to double-check when purchasing.

Best Bathroom Sink Drains

What is a Bathroom Sink Drain?

The bathroom sink drain is on the lower side of the sink. The main bowl of the sink is called the basin, which holds water in it.

That water is drained out of the sink through a hole at the bottom in the middle. That is where the drain starts.

The hole in the sink is secured by a circular metal piece called a flange. The drain pipe is secured to the sink with a rubber gasket to avoid leakage.

From here, it runs down attached to a trap pipe that traps sewer gases and keeps them from rising back to the sink.  

Bathroom Sink Drain Types

There are a few bathroom sink drain types that have their own distinctive features. Most drains have stoppers that allow the collection of water in the sink for soaking and washing. These stoppers are usually operated manually to open and close the drain.

The types of drains are listed below:

Pop-Up Drain

This type of drain is also known as press/ push and seal drain. Pop Up bathroom sink drains are user-friendly and can be installed easily. It is operated by pressing downward on the drain cover.

Twist and Turn Drain

These drains are also referred to as lift and turn drains. It has a knob that is lifted manually to lift the cover on the drain. Their installation and mechanism are quite simple too and do not involve any complex plumbing. It simply closes by pressing on the drain cover.    

Chain and Plug Drain

These drains have stoppers that are plugged in. When this stopper is open, a basket like a crumb cap strains the unwanted items and keeps them from going down the drain.

Drain With Pop-Up Rod

These drains have a pop-up rod that is attached behind the faucet. This lifting rod is pulled up to lift the stopper. The drain cover is opened and closed by manually pulling this rod that is attached to the drain under the sink.

Grid or Strainer Drain

These types of drains with grid or strainers are often fixed in bar sinks. There is no bathroom sink stopper to collect water. There are just strainers to collect all the unwanted larger materials on it.

Top 10 Bathroom Sink Drains

Best Bathroom Sink Drain

1. REGALMIX Vessel Pop Up Anti-Clogging Bathroom Sink Drain

Key Features:

  • Premium quality materials
  • Chrome finish
  • Has an anti-clogging basket strainer
  • DIY installation
  • Smooth sink drainage
  • Easy to clean washbasin drain
  • It is leak-proof

The Pop-up Bathroom Sink Drain by REGALMIX is one of the best in sanitary ware technology. The drain is made of premium quality brass and stainless steel and finished with chromium plating.

The thick material used provides durability and stability against harsh conditions. The thickened pipe body makes it anti-explosion and anti-cracking. It has been built to withstand scratches, rusting, and tarnishing.

This bathroom sink drain has a big pop-up cap style which can be installed very easily and quickly. Unlike the usual punch button drain strainer in households, this one has an anti-clogging basket strainer. It helps in filtering and collecting hair and debris. Such an efficient method prevents the drain from clogging up.

Jewellery items do not go inside the drain and are rather collected by the strainer. The extended nut allows it to be mounted by bare hand as well, so you can DIY it.

The scientific design introduces a hollowed-out way to the drain. The core parts have an exquisite structure that ensures smooth and stable use. It allows a smooth and easy flow of sewage and dirt.

This bathroom sink drain is very easy to clean. All you have to do is pull out the pop-up cap from the drain and wash the dirt from the stopper.

2. REGALMIX Pop-up Bathroom Sink Drain Without Overflow

Key Features:

  • Thick stainless steel
  • Black finish
  • Good performance drain system for bathrooms
  • Anti-explosion
  • Anti-clogging
  • Included basket strainer

The REGALMIX bathroom sink drain is also one of the best drain options out there. It is made up of thick and sturdy stainless steel.

The fastener included can not be deformed because of the rigid material used. This makes it anti-explosion and anti-cracking. It also helps in avoiding rusting and tarnishing.

This bathroom sink drain has a premium black finish. The color gives it an attractive look, and it does not wear off with time.

The drain has a built-in strainer which makes the task easier. The design has developed from the regular punch button drain and has used an anti-clogging basket strainer instead. The strainer can collect all the dirt, hair, debris, and jewelry that may fall off.

It has a super simple installation process. Anyone can do it on their own as it requires no complicated instructions or any kind of tools. This drain fits the standard undermount bathroom sinks, whose size varies from 1-½” to 1-¾”(1.45 to 1.96 inches). It has the size and style of a big pop-up cap, which makes it quite stable

Imported silica gel is used in the making of this drain. It is a thick, gluey, and gooey substance that is leak-proof. It is also oxidation-resistant. The no-water leakage phenomenon suggests that it can be cleaned very easily.

3. KES Anti-Clog Bathroom Sink Drain

Key Features:

  • Big push button design
  • Bathroom wash basin drain with overflow
  • Rapid drainage
  • Easy to clean
  • Chromium, nickel, brass, and stainless steel construction

The KES bathroom sink overflow drain kit has a very high demand in the marketplace. The pop-up plug strainer basket and extended nut are made of brass.

The tailpipe is constructed using premium quality stainless steel. The overall drain body also has 18/8 chromium/nickel content. This helps in protecting against corrosion and rusting in humid environments.

This overflow bathroom sink drain comes with a built-in anti-clog strainer basket. This attracts all the hair, dirt, and other items without disturbing the flow of water.

If you want to clean it, just take the strainer out and wash it with water. When you’re done plug the bathroom sink stopper back in. You don’t even have to use any harsh chemicals and detergents anymore!

The washbasin drain assembly comes with 1 heavy brass nut and 2 silicone gaskets. Refer to the instruction manual to make sure they are placed in the right positions.

This drain kit for pedestal bathroom sinks is designed to be leak-free if installed correctly. It is made for the standard drain opening size and can not fit a 2-inch bathroom sink drain opening. It has a big push button design. The appearance of the push button seems larger than normal. It helps in rapid drainage and is very easy to clean.

4. KES S2008D-BK Bathroom Sink Drain Kit

Key Features:

  • Strong metal construction
  • Instruction manual included
  • Matte black finish
  • Fits the standard drain size
  • Easy operation
  • Big pop-up cap style

The overall structure of the bathroom sink drain is made of brass and type 304 premium quality stainless steel. These strong metals prove to be long-lasting as they can withstand corrosion and rusting when in humidity.

The bathroom sink drain stopper is made of brass, whereas the tailpiece material is stainless steel. The original color of the drain is black, but it has a matte black finish which makes it quite the centerpiece in all the kitchen sink accessories.

An instruction manual is included in the packaging. It comes with detailed pictures and diagrams for better understanding so that you can DIY. All the required parts, gaskets, seals, and mounting nuts are in the package.

This bathroom sink drain kit fits the standard drain opening size, which is about 1¾ inch. In inches, it’s from 1.6 to 1.9 inches. It is ideal for any kind of above-the-counter vessel sink. But the condition here is that the sink should not have an overflow bathroom sink drain hole.

The easy operation of this bathroom sink pop-up drain is mainly due to its operation type. It has a spring-loaded operation type in which you simply push down the drain cap to close. Then push again to open and drain the water. It is also known as the big push button design or the big pop-up cap style.

5. KAIYING Overflow Bathroom Sink Basin Drain Kit

Key Features:

  • Has a sink overflow drain kit
  • Quick sink drainage
  • Maximum durability
  • Easy installation
  • Superior gold finish
  • Modern style

The KAIYING bathroom sink drain is a modern-style drain. The overall body is built using stainless steel, but the pop-up stopper, drainer, and threaded pipe are made of brass. All the parts are constructed using high-quality material for maximum durability.

The superior brushed gold finish is corrosion, rust, explosion, and crack resistant. The heavy-duty materials and color give it extra stability and durability in different environments.

The bathroom sink stopper drain has a built-in strainer in the form of an anti-clogging basket strainer. It is a special feature that enables easy cleaning of the drain. It neatly collects all the food waste, dirt, hair, and any jewelry that may fall off while washing.

This protects the bathroom sink drain from clogging up and wastes are not accumulated in the sinkhole. When it’s time for cleanup, all you have to do is take the strainer out, wash it off and you’re good to go.

Due to its simple construction, anyone can install this pop-up sink drain kit. No tools are needed. The thickened and extended nut allows it to be installed with bare hands. It has a standard drain opening size which is almost equal to a 1.5-inch bathroom sink drain. The package includes installation instructions and a sink overflow plug in the form of a pop-up plug.

6. KES Bathroom Sink Pop UP Drain

Key Features:

  • Detachable drain kit for bathroom sink
  • Large mesh
  • Low plumbing costs
  • Simple design
  • Suitable for any sink design
  • No need to clean with harmful cleaners

The KES bathroom sink pop-up drain without overflow is an amazing choice. The pop-up stopper, strainer mesh, and flange are made of solid brass. Whereas the tailpiece is constructed using quality stainless steel. This protects it against corrosion and rusting. The finish is in matte black.

The pop-up bathroom sink drain has been equipped with an upgraded hair catcher strainer and a bathroom sink stopper. If you are tired of worrying about plumbing costs, then this is for you.

The strainer has a bigger mesh with evenly distributed holes all over it. This can effortlessly catch all the hairs and anything that falls in carelessly.

You don’t have to use harmful chemicals anymore that will damage your pipes. It fits the standard drain hole size with a diameter from 1.5-inch bathroom sink drain to 1.9”. It is suitable for any vessel, under-mount, or vanity drain kit. A very detailed installation note is included in the package.

All you have to do is make sure the silicone gaskets are in the right place and sealed tightly. This step is a push and seal drain to ensure leak-proof and wobble-free action.

This bathroom sink drainage system is very simple and easy to use. It has a simple load-off design that can be pushed out to wash and clean. There is no overflow bathroom sink drain hole in this drain.

7. PURELUX Bathroom Sink Drain Assembly with Pop-Up Drain Stopper

Key Features:

  • Includes a vanity drain kit
  • Malleable construction material
  • Perfect for a busy bathroom
  • Has a sink overflow drain kit
  • Metal Pop-up drain style
  • Resists corrosion

The Purelux vanity sink pop-up drain is a unique addition to the vanity drain kit. It is constructed using solid brass. This makes it exceptionally durable and sturdy. Both its color and finish are brushed nickel ones.

Nickel gives it a high polish and powerful shine. It is a strong, malleable, and ductile material and perfect for a drain in a busy bathroom. It resists corrosion and tarnishing even at very high temperatures.

The bathroom sink drain assembly has a total of eight parts and an extra bathroom sink stopper assembly. The drain cover and lift rod are the most visible parts and are thus polished with brushed nickel. All these parts add up to give excellent quality and exceptional performance.

An instruction manual comes with the product. It weighs 9.9 ounces and has dimensions of 2.5 x 2.5 x 8.6 inches. Since it weighs more than the previous sinks, it is recommended to follow the given manual. It fits the standard size US plumbing which is a hole diameter of 1-½” or 1-¾ inches.

To help with the sink drainage, it is equipped with an overflow bathroom sink drain. It is a secondary drain that stops the sink from overflowing in case of a hindrance. The metal pop-up style drain offers a careful seal and easy usage.

8. Yodel Pop Up Bathroom Sink Drain

Key Features:

  • Brushed nickel finish
  • High-quality brass
  • No overflow system
  • Low maintenance required
  • Can withstand high temperatures
  • Fits the standard sized drain hole

This Yodel pop up bathroom washbasin drain is constructed using solid brass, which makes it durable and very strong. Such a high-quality material is not easy to deform. It can withstand extreme temperatures, chipping, corrosion and tarnishing. The drain color is nickel and the finish used is brushed nickel.

Because of its pop-up drain structure, it is very easy to operate. The spring-loaded push button or pop-up cap does not require a life rod to be moved. All you have to do is push the drain cap down to close and push again to open. This makes it have a push and seal drain system for the bathroom.

The bathroom sink pop up drain hole fits the standard US drain size according to plumbing. An installation instruction comes with it and if in case it doesn’t, you can always access their website. It is super simple to install and you don’t need any tools to do it. It can be installed as a detachable basket stopper to a vessel, lavatories, or even vanity detachable basket stopper.

It does not have an overflow drain system which makes it easier to work with it. It is also super simple and easy to clean and doesn’t require much maintenance.

When cleaning, you can turn the upper cap in the counterclockwise direction to unscrew and remove. Then turn it back when you are done and seal it tightly to avoid any leakage.

9. Allwin-Houseware Brushed Nickel Bathroom Sink Drain Kit

Key Features:

  • Durable and solid manufacturing
  • Rust-resistant and corrosion resistant
  • The drain hole has a diameter of 1⅝”
  • Has a sink overflow drain kit
  • Brushed nickel finish
  • Solid, heavy brass body

This premium quality bathroom sink drain is manufactured by Allwin-Houseware that combines style with practicality. The main drain body is made with solid, heavy brass and the finish is made of brushed nickel. This brushed nickel gives it character and adds to the texture of the drain.

This supreme quality finish makes it resistant to corrosion and rust and the product lasts for years to come. The exceptional manufacturing quality makes it a durable product. It comes with the manufacturer’s guarantee that it can be pressed more than 10,000 times.

The drain is 7.9” high when the pop-up is closed and with an open pop-up, it reaches a height of 8.3”. This pop-up drain kit has an overflow opening that makes it correspond with sinks that have a built-in overflow hole.

The small pop-up cap is easy to use manually. Simply press it down to close the drain and pressing it once again opens it and lets the water flow through it. This simple mechanism makes it a no-mess fixture for your sink.

The diameter is 1 ⅝”, which means it can fit even the sinks with a 2-inch bathroom sink drain hole. This also makes it easy to fit standard connectors and you can follow the manufacturer’s instructions for DIY installation. The installation is quite easy and simple.

10. Polished Chrome Pop Up Bathroom Sink Drain

Key Features:

  • Comes with a small and big pop-up cap
  • Polished Chrome finish
  • Without overflow feature
  • Solid brass structure
  • Durable and solid
  • Rust-resistant

This polished chrome pop-up bathroom sink drain comes from the famous manufacturer Allwin-Houseware. It is made up of heavy, solid brass that is plated with premium Chrome for a sleek finish.

This makes it resistant to rust and non-corrosive even after longer use. The beautiful finish makes it a great fixture for all sorts of sinks. The manufacturer guarantees that it retains its structure and performance after it is pressed more than 10,000 times.

The height of the pop-up bathroom sink drain is 7” when closed and the height reaches up to 7.5” when open. The drain does not have an overflow opening; hence it would work well with a sink without an overflow hole. It has been basically designed for bathroom vessel sinks that do not have a built-in overflow hole.

Another great feature is that this drain has a basket stopper that is detachable. You can remove it whenever you want. If there is no need to fill the sink basin with water, you can detach this basket stopper. You can simply push the stopper down to plug the basin and in order to open press it once again.

The diameter of this bathroom sink’s pop-up drain is 1 ½ inch. This makes it fit most of the standard sinks. Like most pop-up sink drains it is quite easy to install and really easy to operate manually and use. You can follow the manufacturer’s instructions for DIY installation.

Bathroom Vessel Sink Drains without Overflow

1. Moen 140780 Bathroom Vessel Sink Pop-Up Drain Assembly

Highlighted Features:

  • Product weight: 8 ounces
  • Material: Metal
  • Finish: Polished
  • Mounting Type: Deck mount
  • Color: Chrome

This pop-up drain from Moen tops our list because of its amazing features. With its push-button loaded with a metal spring, this quality drain suits any bathroom vessel sink.

It comes with a highly reflective chrome finish which gives it a mirror-like appearance. It makes it attractive to the eyes and can blend well with any vessel sink without an overflow. It improves the appearance of the sink.

The drain length fits most vessel sink configurations. You don’t have to buy an extension pipe. The installation is also a task anyone can do, and it takes a few minutes. The sink comes with a manual with installation instructions.

Because it gets made with chrome, it’s a drain bound to last for many years. Better yet, the manufacturer offers a limited lifetime warranty.

Though it may appear more expensive than other drains, it’s worth every penny.


  • Accurately fits most vessel sink drain holes
  • It comes with an easy-to-do installation drain
  • It functions efficiently
  • It has a long life span
  • It’s easy to clean and manage


  • The chrome finish appears lighter than normal
  • Many customers may find it expensive compared to other drains of the same quality

2. Kingstone Brass KB4002 Fauceture 19 Hole Grid Drain for Vessel Sink, Polished Brass

Highlighted Features:

  • Material: Brass
  • Size: 8.8 by 2.5 by 2.4 – inches
  • Item Weight: 12.6 ounces
  • Finish: Polished
  • Style: Vintage

This grid drain from Elements of Design comes with a brass polish finish, making it pleasing to the eyes. The upper part comes in gold, while the downside is grey. You can install it in your golden or other vessel sink colors that blend well.

The finish also does not allow the drain to tarnish or corrode. You need not worry about it getting stained or rusting. More so, brass gets used in its making. That’s why this product can last for many years.

Its size is large enough to fit the drain holes of most vessel sinks. The drain also comes with 19 holes on its grid to drain water excellently. With the installation instructions from the manufacturer, fixing it is easy peasy. It’s also easy to keep clean.

Besides all the above amazing features, this drain has a relatively fair price.


  • Ideal for various vintage sinks without overflow
  • Drains effectively due to its many big holes
  • It does not rust or tarnishes
  • It improves the appearance of the sink
  • It blends well with vintage sinks of various colors
  • Anyone can install it
  • It’s affordable


  • It may be too big for some vessel sinks
  • It may encourage air trapping, which in turn slows the draining

3. VIGO 2.75″ Diameter Vessel Bathroom Sink Pop-Up Drain and Mounting Ring Without Overflow in Oil Rubbed Bronze Finish

Highlighted Features:

  • Hole Size: 1 – ¾ – inches sink drain hole
  • Material: Brass
  • Color: Oil-rubbed bronze
  • Item Weight: 1 pound
  • Spout Reach: 2.75 – inches

It’s a modern, pop-up drain from VIGO. You can install it from any vessel sink without overflow made by this brand. Its consistent finish that can blend with most vessel sinks may catch any person’s eye.

Its easy-to-operate Pop and Lock system makes it easy to operate. Because of its seamless water draining ability, you can install it in any busy vessel sink without overflow. You don’t have to rule out installing this drain if your vessel sink sits on a mounting ring. It comes with rubber seal rings for each side. Good news? It includes an extra pair for security.

Its price is a bit high compared to other pop-up drains. But with its above fantastic features, you enjoy value for your money.


  • Attractive finish
  • Sturdy and lasts for an extended period
  • Seamless draining
  • It comes with optional mounting rings and an extra pair for security
  • Easy to install


  • The mounting ring may not add stability
  • It may seem costly to some customers

4. HIGHCRAFT S3252 R1030 Vessel Strainer Pop Up Drain Assembly without Overflow Bathroom Faucet Vanity Stopper Polished Chrome, 1 – 5/8 – inches.

Highlighted Features:

  • Item Weight: 9.6 ounces
  • Size: 1 to 5/8 – inches in diameter
  • Finish: Polished chrome
  • Material: Brass
  • Color: Polished chrome

It’s worth considering if searching for a drain for your elegant vessel sink without overflow. The drain comes in a pop-up design to empty water fast and quickly.

It has a polished chrome color, which soothes the eyes and improves the appearance of the sink. You can install it to suit any vintage. It blends well with vessel sinks of all colors.

Raven manufactures these drains in various colors to suit the preferences of all people. You can choose between brushed nickel, polished chrome, PVD brass, polished nickel, and oil-rubbed bronze finish.

Made from brass, this drain guarantees performance for many years. It never rusts, cracks, or explodes. Its silicone washer and top-notch threads make it impossible to leak.

As a universal fit, it’s compatible with most US standard vessel sinks. Its one-touch open and simple close design makes it a breeze to operate. The package consists of all the necessary hardware, such as seals, a mounting nut, and gaskets.

Despite these bewildering features, the drain comes at an affordable price.


  • It comes in a sleek design
  • The drain comes in various finish options
  • It’s easy to install and operate
  • It’s compatible with standard sink drain holes
  • The drain does not leak
  • The drain functions for many years


  • The drain does not fit in small vessel sink drain holes
  • It may leak if wrongly fixed

Even with the above information, you may have some questions lingering on your mind. Here is the answer to a question that may be bothering your mind the most.

Best Bathroom Sink Drain Buying Guide

The bathroom sink drain assembly usually comes with the sink. Here are a few things to consider before buying a drain kit:

Consider your Budget

Bathroom sink drains vary in price as per their material and finish. This allows you to see the options you can afford as per your needs, the sink, and the overall bathroom setting. You can search for the sink drain with the best non-corrosive material and a good finish.


Bathroom sink drains usually have sizes varying from 1 ¼ inch to 1 ½ inch. Measure the drain opening carefully as the drain should fit it perfectly for functioning without leaks. If it is a new sink, you can find the desired information in the accompanying manual and then get a bathroom faucet drain accordingly.

Match with the Sink

Most sinks come with the drain and the flange in the same material as the rest of the fittings. When buying a bathroom sink drain kit separately, make sure it has the same material and finish. If not, sometimes a contrasting or complementary drain also serves well in the sink. It depends on your overall setting and other accessories present around.

There are plenty of materials available in different finishes for the bathroom faucet drain. You can always choose one that fits your needs and the assigned budget. Other than the most commonly used stainless steel, brass, bronze, and copper can be good options when buying a bathroom sink drain.


There are quite a few different types of bathroom sink drains available in the market. Most people prefer grid sink drains with holes in them. They allow a continuous flow of water and cannot be closed. Though the grid holes are quite small, still a net strainer can be added to avoid bigger chunks of stuff going down the drain and causing clogging.

Pop-up drains can be closed with the stopper and fill the sink for washing, soaking, etc. some pop-up sink drains have a lever attached to the back of the faucet. The liver is manually lifted for opening and closing of the drain.

There are chains and plug also drains for collecting water in the sink. Twist and turn drains are a good choice if you are looking for a simple drain to operate and install.

Overflow Hole

If your bathroom sink drain has an overflow hole, then even a smaller drain will be fine to drain water faster. In the absence of an overflow hole, water takes longer, and sink drainage is slower. So, choose your bathroom sink drain with overflow or without it as per the presence or absence of the overflow hole and sink overflow stopper.

Adding a Mounting Ring

In the case of a vessel sink, you need to get a sink with extra support in the form of a mounting ring. Since vessel sinks are not supported by the surrounding cabinets, a mounting ring provides that. Other sinks are partially immersed inside the cabinets, so this mounting ring isn’t necessary for those.

Bathroom Sink Drain Sizes

The size of the bathroom sink drain range from 1 ¼ inch to 1 ½ inch in most standard sinks. It sometimes goes up to 1 ⅝ inch in customized bathroom sinks. The drain hole in the middle, at the bottom of the sink, determines the size of the drain.

The drain size is a bit smaller than that hole to fit in well. For example, for a 1 ½ inch wide opening in the sin, the drainpipe has a diameter of 1.25 or a teeny bit more to let it fit in the sinkhole. There is hardly any 1” sink drain, as it makes it really small for the water to drain smoothly for it.

How to Plumb a Bathroom Sink Drain Properly

Materials Needed:

  • sink drain push pop assembly
  • silicone tube
  • trap adapter
  • pliers

Step 1: Drop the Drain Assembly Kit

The pop-up bathroom sink drain assembly is a whole drain kit for the bathroom sink that is included in the package. If not included, it can be purchased separately as a complete kit. Apply a generous amount of high-quality silicone around the drain pipe. It is important to secure the drain with silicone when dropping it into the sinkhole. It keeps it from leaking.

Step 2: Add the Ring

A rubber ring is added next, underneath the sink, with the help of more silicone around the threads. The silicone helps it to twist around smoothly.

Step 3: Tighten the Rings

Then add a nut and the plastic ring. Tighten it using a pair of slip-joint pliers to secure it in place.

Step 4: Clean the Pipe

After putting everything in place, wipe off any excess silicone around the drain pipe and the rings. Use a damp cloth to wipe clean all of it.

Step 5: Secure the Rubber Ring

The rubber ring is the last thing to seal everything in place. It goes around the metal pipe. You can hand tighten it or use the pliers to make sure it’s securely done.

How to Plug Overflow Holes in Bathroom Sink Drain Pipe

Overflow holes are present in the sink and drain pipes to prevent the sink basin from overflowing. Most people think it is something useless and like to get rid of it. It is not really a good idea to use a sink overflow plug for these holes.

Instead getting a drain and sink without a sink overflow stopper is better. However, that might not be affordable or practical for everyone. Replacing the whole sink and accompanying drain is not really that easy.

You can plug overflow holes in a drain pipe using a screw. The screw should fit the hole so that it does not allow any water to escape through. Sometimes people try to clog it using silicone.

The body of the drain and the spacer is more than an inch apart. That’d need more than just a dab of silicone, and that might not stay in place. These gaps can also be filled using a urethane foam sink overflow plug.

Bathroom Sink Drain With Overflow Vs Without Overflow

There is a small opening near the top of the drain, in the threaded portion, that serves as the overflow hole. The overflowing water enters the drain pipe from the sink basin drain through this hole. You should pair a drain with this overflow hole with a sink with an overflow hole. That will make them work perfectly well.

It is a great feature that keeps water from overflowing from the sink. A full sink does not allow the drain to get any air. Air flows into the drain through this opening when the sink is filled with water.

This reduces the suction and allows the sink basin to drain faster and smoothly. However, if the faucets are running at full volume, this small hole might not be effective for a longer period of time.

On the other hand, the sinks without overflow holes are paired with drains that do not have this opening. The overflow hole is a kind of safety feature that not only prevents the sinks from overflowing but also makes the basin drain water quickly and efficiently.

In its absence, not only is there a hazard of overflowing water but also the excess water can seep into the surrounding tiles and mess on the floor as well.

How to Seal a Bathroom Sink Drain

A bathroom sink drain can be sealed by following these simple steps:

  • If there is an old sealant already present, first of all, scrape that off from the drain pipe and the surrounding area. You can use a removing solution or a putty knife.
  • Cleaning with bleach or any other household cleaner will leave no traces of any sealant around the drain pipe.
  • Wipe off the area with a clean, damp cloth. Let it dry before starting again.
  • Take the silicone sealant and apply it neatly yet generously around the drain pipe. Apply evenly throughout the surface and leave no space.
  • Use a cutting tool or a smoother to even the silicone layer applied. Remove any excess sealant. You can use the removing solution for a neater look. This layer will block mildew and moisture.
  • Let it dry completely and do not expose it to water or use the sink until then.


1. Why is there a hole in the bathroom sinks?

Almost all bathroom sinks come with a hole near the top. It serves to avoid overflow of water when the drain is closed with a stopper. This hole also facilitates the smooth drainage of water from the sink by giving an alternate escape for the trapped air.

2. What is the standard bathroom sink drain size?

The bathroom sink drain might vary in size as per design, yet the standard size usually varies from 1.25 inches to 1.625 inches. Basically, the size of the drain hole in the sink determines the size of the drain. Custom-made sinks might have bigger holes.

3. What is the bathroom sink drain hole size?

There is no exact size of a bathroom sink drain hole. It depends on the design of the sink and its overall size. The most common size varies from 1 ¼ inch to 1 ½ inch. It isn’t narrower than this but might be slightly bigger for a larger sink.

4. Do faucets come with drains?

The faucets for bathroom sinks almost always come with drains. The manufacturers include the flange and the stopper, if not, they can be bought separately. All of these should be made of the same material with the same finish. This gives a uniform look.

5. Do you need plumbers putty to install a bathroom sink drain?

Most drains come with a rubber gasket. You need plumbers putty or silicone to seal it securely. Some plumbers suggest the rubber gasket is enough to seal the drain connection. However, using the plumber’s putty leaves no chance of leakage and keeps it all tightly in place.

Final Thoughts for Choosing Bathroom Sink Drain

The bathroom sink drain is an important part of the sink and needs to be carefully chosen and installed to ensure the best performance. Pop Up Vessel Sink Drain by REGALMIX is the best bathroom sink drain in the plumbing industry. Its strong construction material provides strength and durability in different environments. The chromium plating is crack resistant and explosion resistant and gives it a great look.

This pop-up bathroom sink drain is easy to install and use. The distinctive feature is the anti-clogging basket strainer that prevents the drain from clogging. This gives you undisturbed water drainage from your sink without any hassle.

Hopefully, these bathroom sink drains would be helpful for our readers when choosing.