316 Stainless Steel Flat Washers
316 Stainless Steel Suitable for Marine Applications
A 316 flat washer is a round outer diameter thin plate with a center hole (inner diameter) punched to the size of the bolt or screw size.
- Used to distribute fastener pressure evenly
- Can act as a flat surface area for nut or bolt to tighten against
- 316 stainless steel washers are used in marine applications including
- Boats
- Decks
- Docks
- Hot Rods
- Oil Rigs
- Industrial Applications
| Flat Washer Sizes | Inner Diameter (ID) | Outer Diameter (OD) | Washer Thickness |
| #4 | 0.125" | 0.312" | 0.031" |
| #6 | 0.150" | 0.312" | 0.031" |
| #8 | 0.174" | 0.375" | 0.031" |
| #10 | 0.203" | 0.437" | 0.031" |
| #12 | 0.250" | 9/16" | 0.050" |
| 1/4" | 0.281" | 5/8" | 0.050" |
| 5/16" | 0.343" | 3/4" | 0.050" |
| 3/8" | 0.406" | 7/8" | 0.050" |
| 7/16" | 0.500" | 1-1/8" | 0.062" |
| 1/2" | 0.531" | 1-1/4" | 0.062" |
| 9/16" | 0.625" | 1-3/8" | 0.078" |
| 5/8" | 0.687" | 1-1/2" | 0.078" |
| 3/4" | 0.812" | 1-7/8" | 0.109" |
| 7/8" | 0.937" | 2" | 0.109" |
| 1" | 1.062" | 2" | 0.125" |
| 1-1/8" | 1.187" | 2-1/2" | 0.125" |
| 1-1/4" | 1.312" | 2-3/4" | 0.125" |
| 1-3/8" | 1.500" | 3-1/4" | 0.140" |
| 1-1/2" | 1.562" | 3-1/4" | 0.140" |
| 1-3/4" | 1.812" | 3-1/2" | 0.140" |
| 2" | 2.125" | 4" | 0.187" |
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