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The 8 Best cup washers of 2025

Are you trying to find cup washers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling cup washers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 21 hours of research and did 18 cup washers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best cup washers you can buy today

No. 1
qxayxa 300 Pcs Finish Washers,Finishing Washers, Countersunk Washers, 6#8#10#12 Stainless Steel Cup Countersunk Finish Washers Set, Finishing Cup Countersunk Washer Assortment Kit
  • Exquisite Material: Finishing cup washers are made of high-quality stainless steel, which is corrosion-resistant, rust-resistant, not easy to break or deform, and can be used normally in humid environments, durable.
  • Main Function: Finishing washers, also known as countersunk washers, provide a flush surface and are used in applications where cosmetic appearance is important. The flat head screw recesses into the finish washer to provide a clean appearance.
  • Easy to Store: All finishing washers are stored in a transparent and sturdy storage box with compartments. Countersunk washers are stored separately, well organized, easy to carry and find. There is no confusion during transportation and it is convenient to use.
  • Multi-scenario Application: Finishing cup washers are used to provide a finished and smooth look, under the heads of flat or oval head countersunk screws, and also to hold fabric and other lightweight materials securely out of holes.
  • Package Includes: You will receive a total of 300 pcs stainless steel cup washers, the size includes 170 pcs 6#, 50 pcs 8#, 40 pcs 10#, 40 pcs 12#, the quantity is sufficient and the size is rich, to meet the needs of different fields.
No. 2
Countersunk Washers Stainless Finish washers #4#6#8#10#12#14#16 304 Stainless Cup Countersunk Finish Washer Finishing Cup Countersunk Washer Assortment Set 295pcs
  • These Countersunk Washers are made from 100% premium 18-8 (304) stainless steel, one of the best performing corrosion-resistant metals and more environmentally friendly than other metal materials on the market today,and 304 stainless steel is recognized as an environmentally friendly material that does not release toxic substances and does not pollute the environment..
  • Finishing Cup Countersunk Washer made of high-quality 304 stainless steel environmental protection material, high strength (not easy to deformation), even in humid environment or outdoors, his performance is still very stable, and it has great wear resistance and corrosion resistance, and has excellent rust resistance and oxidation resistanc
  • Stainless steel Finish washers have wide applications in various occasions of screw fastening, household electrical connections and commercial appliances, automotive and marine uses.smooth stainless steel finish washers allows the screws to be inserted into the center for a clean appearance and to protect surrounding objects (such as hands or clothing) from scratches.
  • Cup Countersunk Washer Assortment Set Includes 7 Most Used Sizes: #4 #6 #8 #10 #12 #14 #16;It can be used in a variety of scenarios
  • We put these Finishing Cup Countersunk Washer in Sturdy Transparent boxes, and use partitions to distinguish different sizes of Washers, so as to help customers more convenient use and long-term storage of these Washers
No. 3
100 Qty #8 Stainless Steel Countersunk Finish Washers | 304 SS Finishing Cup (BCP574)
  • Package of 100 pieces
  • Finish washers are designed to accommodate the heads of a countersunk screw in order to provide a finished appearance
  • Prevents the screw from pulling through the material
  • 304 stainless steel for long life corrosion resistance
No. 4
200 Pcs Finishing Cup Countersunk Washers Assortment Kit, 6# 8# 10# 12# Stainless Steel Finishing Cup Washers, Finish washers, Cup Countersunk Finish Washer Set, Finishing Washers
8 Consomer Reviews
200 Pcs Finishing Cup Countersunk Washers Assortment Kit, 6# 8# 10# 12# Stainless Steel Finishing Cup Washers, Finish washers, Cup Countersunk Finish Washer Set, Finishing Washers
  • Excellent Material: Our countersunk washers are made of high-quality stainless steel material, with exquisite workmanship, high hardness, corrosion resistance, rust prevention, not easy to break, and can still maintain high strength and excellent performance in harsh environments, and are durable.
  • Main Function: Finishing cup washers are used to provide a finish and smooth look where the fastener head is flush with the top of the finishing cup washer. Used for their aesthetic look, countersunk cup washers are also used under the head of flat or oval head countersunk screws.
  • Easy to Store: All countersunk finish cup washers fasteners are put in sturdy plastic boxes, and partitions are used to distinguish different sizes of finishing countersunk washers to help customers use and store more conveniently.
  • Wide Application: Widely used in communication equipment, petrochemical industry, robots, 3D printing equipment, ship power facilities, construction DIY production, construction, marine energy equipment, aerospace and other fields.
  • Package Includes: You will receive 70 pieces of 6#, 50 pieces of 8#, 40 pieces of 10#, 40 pieces of 12#, a total of 200 pieces, rich sizes and sufficient quantity. Our stainless steel cup washer prevents nuts, bolts or screws from being pulled out of the material and is designed to accommodate the heads of countersunk screws to provide a finished look.
SaleNo. 5
100 Qty #10 Stainless Steel Countersunk Finish Washers | 304 SS Finishing Cup (BCP575)
  • Package of 100 pieces
  • Finish washers are designed to accommodate the heads of a countersunk screw in order to provide a finished appearance
  • Prevents the screw from pulling through the material
  • 304 stainless steel for long life corrosion resistance
SaleNo. 6
#8 Stainless Finishing Washer Qty: 250 Countersunk/Cup
  • 18-8 Stainless Steel
  • For Use With #8 Screws
  • Inside Dimension: 0.200" (All Measurements Are Approximate)
  • Outside Dimension: 0.500" (All Measurements Are Approximate)
  • Height: 0.105" (All Measurements Are Approximate)
SaleNo. 7
BEY Automatic Glass Rinser - Powerful Cup Washer for Kitchen Sink, Stainless Steel Baby Bottle Cleaner Sinks Attachment, Bar Accessories Spray Metal (Black Stainless Steel)
  • ✅【ACCESSORIES INCLUDED】6 Parts : BEY GLASS RINSER - Tee(3/8") - Stainless Steel Water Tube - Installation Book - Teflon Tape - Micro Fiber Kitchen Towel
  • ✅【FOR DIE PLACES AND BEYOND】We believe our glass rinser is the most simple and effective way to reach to stick and die places in your cups. It has special holes which enable you to clean deep inside your cup it is the best way to simplest by metal kitchen sink glass rinser ! with all sink rinser accessories that you need
  • ✅【PERMENANT LIFE MATERIAL】You will never have to worry about the Glass Washer falling apart or losing its effectiveness. Bey glass washer made from PREMIUM 306 Stainless steel material for long long Time cup rinser works, it is designed for >1,000 times pressed in each cleaning, it's best bottle rinser sink attachment
  • ✅【SIMPLE!】Just (3) steps and be the best glass washer person on the market, Grab your cup, push it through our Cup Rinser then let it works. it's a glass washer for kitchen sink
  • ✅【3-YEARS- WARRANTY】BEY stainless steel glass rinser can last forever. We don’t just say this; we guarantee that the Bey Glass Washer is built to last and will not let you down. and if there's any problem even after years just contact us and will solve it whatever is it in 24hrs (usually less)
No. 8
uxcell 60Pcs Cup Washer Countersunk, Iron Black Countersunk Finish Washers for M5 Screws (M5 ID x 14mm OD x 2mm Thick)
  • [Cup Washer Countersunk] Size: 5mm x 14mm x 2mm/0.19" x 0.55" x 0.08"(Inner Dia x OD x T); Material: Iron; Color: Black; Package Content: 60Pcs x Cup Washer
  • [Material] Made of iron, high hardness, the countersunk head gasket has a smooth surface without burrs. The surface black plating is rust-proof and has anti-corrosion.
  • [Features] The washers can hide the edges of countersunk head screws to create a smooth contact surface, which can hide not good-looking holes created by drill bits for a clean appearance decorative appearance.
  • [Easy to Install] The countersunk finish washer is easy to install so that it sits properly between the screw head and the surface of the object being fastened, then tighten the screw to hold the washer in place.
  • [Wide Application] Countersunk washers are used in a variety of applications including construction, machinery, automotive, and other industries, and can also be used to fasten metal, plastic, wood, or other materials.
No. 9
Finishing Cup Washer Black Oxide Stainless Steel Countersunk Finishing Washers #8 (0.205 ID x 0.538 OD x 0.104 Thick) QTY 100
  • Black Oxide 18-8 Stainless Steel Finishing Cup Washers
  • Black oxide finish gives fasteners a sleek look while adding a layer of protection from abrasion
  • Commonly used with Countersunk Screws or Bolts such as Oval or Flat Heads to Create a Smooth Finished Look
  • Available in Inch Sizes #4 through #14 (1/4")
  • Raised Washers to Run Flush with the Installed Screw Head
No. 10
Yaocom 200 Qty #14 Countersunk Finish Washers Stainless Finishing Washers 304 Stainless Steel Washers Finishing Cup
  • Abundant Quantity: with the purchase of our product, you'll receive 200 finely processed, classic silver countersunk finish washer, sufficient to meet your daily use, replacement, and sharing needs; Our washers have standard holes and ensure an even distribution of force, minimizing slippage and ensuring ease of use
  • Quality Countersunk Finish Washers: made from quality 304 stainless steel, our washers are sturdy, wear resistant, rust resistant, oxidation resistant, and corrosion resistant for long term use; Each washer has a smooth, burr free surface, ensuring smooth assembly and reducing the risk of fastener damage, making them ideal for use even in harsh environments
  • Detailed Dimensions: with an inner diameter of No 14, and outer diameter of 0.78 inch, these stainless steel countersunk washers are easy to use; Note: when using countersunk washers, please make sure you choose the right size to ensure correct installation between the screw head and the fastening surface to prevent any damage or failure
  • Decorative Appearance: the countersunk finish washer are designed for a wide range of applications, distributing bolt, screw, and nut loads and are ideal for applications that require countersinking, such as DIY crafts, robots, planes, 3D printing equipment, communication equipment, petrochemicals, naval power facilities, and construction
  • Wide Application: versatile and reliable, countersunk finish washer can be applied for many applications, including automotive, construction, plumbing, electrical applications, and industrial environments; Countersunk washers are also ideal for applications requiring a flat surface, and can be applied with various equipment including garden hoses, faucets, washing machines, shower heads, cylinders, pumps, and valves
No. 11
Rrina 160Pcs 304 Stainless Steel Finishing Cup Countersunk Washers Assortment Kit, 6#/ 8#/ 10#/ 12#
  • MATERIAL: Made of high quality 304 Stainless Stee, not easy to rust, anti-moisture, anti-oxiclation, corrosion resistant, acid/alkali .
  • PACKING QUANTITY: 160Pcs finishing cup washer 4 sizes: 40Pcs for each 6#, 8#, 10#, 12#, clip-1Pcs.
  • SUITABLE FOR: Prevents a nut, bolt or screw from pulling through the material, finish washers are designed to accommodate the heads of a countersuck screw in order to provide a finished appearance.
  • PLASTIC HEAT SEAL PACKAGING: Practical and convenient of packing box. All of finishing cup washer packed in a durable and sturdy box, this box can be use for a storage box.
  • DURABLE DIVIDED STORAGE CASE: All finishing cup washer are packed in the box with size label and divider, easy to store and won't mix up.
No. 12
#14 (1/4") Stainless Steel Countersunk Finishing Cup Washers (Pack of 100pcs) - Marine Bolt Supply
  • Top Quality Marine Bolt Supply 18-8 Stainless Steel Finishing Cup Washers (Size 1/4")
No. 13
WEWE Glass Rinser, Upgraded 360 Degree Rotating Spout Glass Rinser for Kitchen Sink Stainless Steel Cup Washer for Sink, Faucet Cup Cleaner for Bar Sink Attachment
  • Quick Rinsing: 10 orifice water outlet design, taking into account all corners; 360° rotating cleaning, able to thoroughly rinse the residue from the mouth and bottom of the glass in seconds.
  • Say Goodbye to Residue: The drainage port of the bottle washer is designed with an incline, which is easy to drain and prevents debris from being left in the inner tray, keeping the cup washer clean.
  • Durable Stainless Steel Material: The cup rinser for sink is made of sturdy 304 stainless steel for longer life and less damage.
  • Suitable for All Kinds of Cups: Whether it's wine glasses, water glasses or milk bottles, it can clean almost any drinkware, freeing up your hands to the maximum.
  • Easy to Use and Install: WEWE glass washer starts rinsing automatically with an easy press. No other special tools are needed and it will only take you a short time to set it up.
No. 14
Water Bottle Cleaning Brush Glass Cup Washer with Suction Base Bristle Brush for Beer Cup, Long Leg Cup, Red Wine Glass and More Bar Kitchen Sink Home Tools Grey
  • Scald it with boiling water if the suction cup is flap, it’s OK after cooling. (Be careful not to squeeze the suction cup during the cooling process).Suction cups can only be attached to smooth surfaces, such as smooth tiles, stainless steel surfaces, smooth plastic materials, smooth appliances, etc., not for rough surfaces.
  • ★ DOUBLE BRUSH: The cup brush with double sided bristle brush, 360 degree no dead angle cleaning, makes cleaning your glassware a breeze. Just make sure you rotate cups clockwise on center brush as going counter clockwise will unscrew the center brush
  • ★ QUALITY & DURABLE BRISTLES: Glass cleaning brush is made of PP+PVC material, flexible bristles, moderate hardness to ensure remove stubborn dirt and longer life.
  • ★ SUCKERS: There is three big suction cups at the brush bottom, Suction grip base firmly attaches to the wall table or or attaches to the bottom of sink.
  • ★ REMOVABLE & EASY TO CLEAN, FAMILY ESSENTIAL BRUSH:Creative lazy rotating cup brush can be removed and cleaned. This brush is thick and can clean all kinds of glassware, such as baby bottle, sports bottles, wine cups,coffee cups, beer players, vases or coffee pots, pitchers. Perfect cleaning tools for bar kitchen.
SaleNo. 15
100 Qty #6 Stainless Steel Countersunk Finish Washers | 304 SS Finishing Cup (BCP573)
  • Package of 100 pieces
  • Finish washers are designed to accommodate the heads of a countersunk screw in order to provide a finished appearance
  • Prevents the screw from pulling through the material
  • 304 stainless steel for long life corrosion resistance
SaleNo. 16
Hard-to-Find Fastener 014973454913 Finishing Washers, #8, Piece-250
6 Consomer Reviews
Hard-to-Find Fastener 014973454913 Finishing Washers, #8, Piece-250
  • Diameter 1: #8 (5/32")
  • Diameter 2: 17/32 inches
  • Material: Steel
  • Finish: nickel
  • Style: cup washer
  • Diameter: 5/32 inches (#8)
  • Material: Steel
  • Finish: Nickel
  • Style: Cup Washer
  • Type: Finishing Washer
SaleNo. 17
HGN Metal Faucet Glass Rinser for Kitchen Sinks,Bottle Washer,Kitchen Sink Accessories,Stainless Steel,Brush Nickel
  • Quick cleaning:Brush Nickel,classical and elegant, can be matched perfectly with your kitchen environment. Multi-angle water outlet cleaning head realizes multi-angle spray hole washing and effectively wash your cup, saving time and effort, convenient and practical
  • Convenient and efficient:From wine glasses to baby bottles to travel cups, it conveniently rinses virtually any drinkware, so you can spend less time soaking and scrubbing. Brush Nickel finish resists water spots and fingerprints
  • Simple to use:Put the mouth of the cup downward and press the bottom of the cup lightly to automatically spray water for cleaning. When the cup is cleaned, remove the cup and stop spraying water
  • Simple DIY project:Simple DIY replacement for a soap dispenser, kitchen sprayer or sink hole cover - the perfect complement to your kitchen Faucet.It only takes your several minutes to install our glass rinser all by youself
  • Say goodbye to residue: The drainage port of the bottle washer is designed with an incline, which is easy to drain and prevents debris from being left in the inner tray, keeping the cup washer clean
No. 18
Swordfish 32470-440pc Finishing Cup Washer Assortment
  • 440 pieces assortment
  • Includes 6 different sizes #4, #6, #8, #10, #12, 1/4"
  • Include 220 pieces nickel plated steel cup washer and 220 piece solid brass cup washer
  • Use with standard 82° flat and oval head countersunk screws
No. 19
Glass Rinser For Kitchen Sink - Metal Cup Washer, Faucet Cup Rinser Cleaner Kitchen Sink Bottle Washer For Bar, Matte Black
  • [Sturdy Material] Made from Hard and Corrosion Resistant Zinc Alloy and built to last.
  • [How Convenient] Glass Rinser thoroughly rinses residue in seconds, with high-pressure water jets that reach where you can’t.
  • [Widely Application] From baby bottles to wine glasses to travel cups, it conveniently rinses virtually any drinkware. Faster and Easier than Soaking or Scrubbing.
  • [Fit Cup Caliber] Minimum drinkware opening size is 1.18". and Maximum drinkware opening size is 4.33".
  • [DIY Installation] Easily installed in an empty countertop hole, such as those used for soap dispensers and sink sprayers.

How to choose a good cup washers

Does the idea of finding a fantastic cup washers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in cup washers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top cup washers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top cup washers on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top cup washers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top cup washers based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the cup washers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good cup washers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your cup washers.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting cup washers for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our cup washers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what cup washers should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on cup washers.