A plain washer is a flat annulus or ring, often of metal, used to spread the load of a screwed fastening. Additionally, a plain washer may be used when the hole is a larger diameter than the fixing nut. Ever Hardware provides custom-made fasteners and customizable packaging.

A plain washer is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are as a spacer, spring (belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber washer). Washers usually have an outer diameter (OD) about twice larger than their inner diameter (ID).

Washers are usually metal or plastic. High-quality bolted joints require hardened steel washers to prevent the loss of pre-load due to Brinelling after the torque is applied.

Rubber or fiber gaskets used in taps (or faucets, or valves) to stop the flow of water are sometimes referred to colloquially as washers; but, while they may look similar, washers and gaskets are usually designed for different functions and made differently.

Category Plain Washer
Finish Galvanization
Thread type Metric/Imperial/According to Request
Material Stainless Steel/Carbon Steel/Aluminum/Brass/Copper, etc.
Brand Ever Hardware
Place of origin China Mainland
Size option M1.0 to M18/#0 to 1/2″
SIZE
INSIDE
DIAMETER
OUTSIDE
DIAMETER
THICKNESS
 
SAE FLAT WASHERS
#6 5/32″ 3/8″ 3/64″
#8 3/16″ 7/16″ 3/64″
#10 7/32″ 1/2″ 3/64″
1/4 9/32″ 5/8″ 1/16″
5/16 11/32″ 11/16″ 1/16″
3/8 13/32″ 13/16″ 1/16″
7/16 15/32″ 59/64″ 1/16″
1/2 17/32″ 1-1/16″ 3/32″
9/16 19/32″ 1-3/16″ 3/32″
5/8 21/32″ 1-5/16″ 3/32″
3/4 13/16″ 1-1/2″ 9/64″
7/8 15/16″ 1-3/4″ 9/64″
1″ 1-1/16″ 2″ 9/64″
1-1/8 1-3/16″ 2-1/4″ 9/64″
1-1/4 1-5/16″ 2-1/2″ 5/32″
1-1/2 1-7/16″ 3″ 3/16″
 
USS FLAT WASHERS
3/16 1/4″ 9/16″ 3/64″
1/4 5/16″ 3/4″ 1/16″
5/16 3/8″ 7/8″ 5/64″
3/8 7/16″ 1″ 5/64″
7/16 1/2″ 1-1/4″ 5/64″
1/2 9/16″ 1-3/8″ 7/64″
9/16 5/8″ 1-1/2″ 7/64″
5/8 11/16″ 1-3/4″ 9/64″
3/4 13/16″ 2″ 5/32″
7/8 15/16″ 2-1/4″ 11/64″
1″ 1-1/16″ 2-1/2″ 11/64″
1-1/8 1-1/4″ 2-3/4″ 11/64″
1-1/4 1-3/8″ 3″ 11/64″
1-3/8 1-1/2″ 3-1/4″ 3/16″
1-1/2 1-5/8″ 3-1/2″ 3/16″
1-5/8 1-3/4″ 3-3/4″ 3/16″
1-3/4 1-7/8″ 4″ 3/16″
1-7/8 2″ 4-1/4″ 3/16″
2″ 2-1/8″ 4-1/2″ 3/16″
2-1/2 2-5/8″ 5″ 15/64″
3″ 3-1/8″ 5-1/2″ 9/32″

Plain Washer Custom Made Purple Plating Free Samples Plain Washer Custom Made Purple Plating Free Samples

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What Client’s Say

Those look great! All the specs look perfect.
Kent De Mond
Perfect ! This is that I need.
Hernán Balboa
Thank you very much.
The bolts are perfect and they’re fits good.
Ashley
The nut fits perfect on our M2.5 screw part.
Height is also ok.
Mirjam
I tested the bolts this morning and they are perfect. Thank you so much.
Bill McDonald

We are professional on precision plain washer and custom-made fasteners services!

This is where your amazing product design can go so your clients can feel all about the features and see how awesome it is!

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