Best Retaining Washers in 2026

【High Quality Stainless】These 100 Piece Steel Flat Washer are 100% 18-8 (304) Stainless Steel which is one of the highest forms of corrosion resistant steel, making it last longer than other hardware on the market today.

【Washers That You Can Depend On】Our hardware is very strong and is great for both indoor and outdoor use. The stainless flat washer is superior to regular steel and provides excellent rust resistance in water applications.

【Great To Keep Around】Bolt Dropper hardware is great to have around for use with sheet metal and wet environments. Bolt Dropper hardware is the highest quality available on the market and we stand by our claim 100%. They are strong, corrosion-resistant and will support all of your projects.

{WASHERS APPLICATION}: Plumbing flat washers kit used for home kitchen/ bathroom plumbing faucets shower hand spray hose splitter,shower hose wand, various RV faucet pipe,water supply line, outdoor spigot elbows adapter,outside faucet repair kit replacement.

{O RING APPLICATION}: Rubber o-rings kit used for plumbing faucet repair,pressure washer hose,machinery bearings, pumps, boats, oils, gas control valve,air or Gas water fitting leak seal.

{WASHERS SIZE}: Assorted water hose rubber gaskets assortment kit 6 size OD: 31mm, 24.5mm, 19mm, 15mm, 11mm, 9mm.used to install all standard 1",3/4",1/2",3/8",1/4",1/8" pipe fittings connect.

【✔】High Quality 304 Stainless Steel Internal Tooth Starlock Washers Kit

【✔】Made of 304 Stainless Steel Material, Very Good Corrosion Resistance, It Can Be Used in a Humid Environment

【✔】Set Includes 7 Most Used Sizes: M3 M4 M5 M6 M8 M10 M12【 Please See Picture 2 for Specific Dimensional Size】

External Tooth Star Lock Washers: High Quality Stainless Steel External Tooth Star Lock Washers Set of 320 pcs, includes the most commonly used 8 sizes: M2.5: 50 pcs / M3: 50 pcs / M4: 50 pcs / M5: 50 pcs / M6: 50 pcs / M8: 30 pcs / M10: 20 pcs / M12: 20 pcs.

Features: Internal Tooth Lock Washer Star exerts a spring force between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.

Material: Made of high-quality 304 stainless steel environmentally friendly materials, high strength (not easy to deform), wear-resistant, corrosion-resistant, rust-resistant and oxidation-resistant. All gaskets will be packaged in a sturdy clear plastic box that can be used in a storage box.

High Quality Internal Tooth Starlock Washers Kit

Set Includes 7 Most Used Sizes: M3 M4 M5 M6 M8 M10 M12,320pcs in box

Made of 65Mn metal steel, black oxide finish Anti-corrosion and durable

【Sizes】M3, M4, M5, M6, M8, M10, M12 internal tooth star lock washers, total 7 sizes 320 pieces in a transparent box, different sizes can meet your different needs. Perfect accessories of shock absorption for machinery equipment. Easy to install and durable to use

【Material】High Quality 65Mn metal steel material which have good corrosion resistance in bad environment like high temperature, cold weather, and high humidity areas. They have superior rust resistance and excellent oxidation resistance, which can ensure long time using.

【Function】Internal tooth star lock washers provide spring force, grip sturdy, create more friction and resistance to rotation between the fasteners head and the substrate, which maintains the washer hard against the substrate and the bolt thread hard against the nut or substrate thread, creating more friction and resistance to rotation.

100% brand new and high quality.

Made of 65# manganese steel, these lock washers are durable and sturdy.

This set contains many different sizes of washers to meet various need.

Material: The gasket is made of high-quality stainless steel, which has strong rust and corrosion resistance, wear resistance, difficult deformation or bending, strong oxidation resistance and long service life.

Application: Gaskets are suitable for electrical connection of household and commercial appliances, automobiles and ships. Wide application range and strong practicability.

Uses: They are designed to spread the load of threaded fasteners by increasing contact with more surface area, and are used to hold bolts against slipping under heavy pressure.

Color: TYPE1

Package Includes: 1 Set Washers(360 Pieces).

This retaining washer set is mainly used in car, boat, machine repair and maintenance, meeting your different needs.

✅Material:Aluminum Alloy Bushing Flat Washers,No Rust, Corrosion Resistance,Hardness High, No Pollution. Size: Inner diameter x Outer diameter x Length

✅Features:Standard Hole Position,Uniform Force,Not Easy To Slip,Easy To Use,Smooth Surface Without Burrs,Durable.

✅Performance:For Distributing The Load Of Threaded Bolts, Screws And Nuts,Providing A Smooth Bearing Surface.

✅Material:Aluminum Alloy Bushing Flat Washers,No Rust, Corrosion Resistance,Hardness High, No Pollution. Size: Inner diameter x Outer diameter x Length

✅Features:Standard Hole Position,Uniform Force,Not Easy To Slip,Easy To Use,Smooth Surface Without Burrs,Durable.

✅Performance:For Distributing The Load Of Threaded Bolts, Screws And Nuts,Providing A Smooth Bearing Surface.