Flat Washers 316 Stainless Steel

316 Stainless Steel Flat Washers

316 Stainless Steel Suitable for Marine Applications


  • 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

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.


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" 0.050"
#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"
Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Flat Washers 316 SS - #4 (0.125 ID x 0.312 OD x .031 THK)
SKU #12280001
Flat Washers 316 SS - #4 (0.125 ID x 0.312 OD x .031 THK)
SKU #12280001
1
$0.08 (0.08/ea)
100
$3.00 (0.03/ea)
1000
$20.00 (0.02/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - #6 (0.15 ID x 0.312 OD x .031 THK)
SKU #12280013
Flat Washers 316 SS - #6 (0.15 ID x 0.312 OD x .031 THK)
SKU #12280013
1
$0.08 (0.08/ea)
100
$3.00 (0.03/ea)
1000
$20.00 (0.02/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - #8 (0.174 ID x 0.375 OD x .031 THK)
SKU #12280025
Flat Washers 316 SS - #8 (0.174 ID x 0.375 OD x .031 THK)
SKU #12280025
1
$0.10 (0.1/ea)
100
$4.00 (0.04/ea)
1000
$30.00 (0.03/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - #10 (0.203 ID x 0.437 OD x .031 THK)
SKU #12280037
Flat Washers 316 SS - #10 (0.203 ID x 0.437 OD x .031 THK)
SKU #12280037
1
$0.11 (0.11/ea)
100
$5.00 (0.05/ea)
1000
$40.00 (0.04/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - #12 (0.250 ID x 9/16 OD x .050 THK)
SKU #12280049
Flat Washers 316 SS - #12 (0.250 ID x 9/16 OD x .050 THK)
SKU #12280049
1
$0.14 (0.14/ea)
100
$8.00 (0.08/ea)
1000
$60.00 (0.06/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 1/4" (0.281 ID x 5/8 OD x .050 THK)
SKU #12280063
Flat Washers 316 SS - 1/4" (0.281 ID x 5/8 OD x .050 THK)
SKU #12280063
1
$0.14 (0.14/ea)
100
$8.00 (0.08/ea)
1000
$60.00 (0.06/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 5/16" (0.343 ID x 3/4 OD x .050 THK)
SKU #12280073
Flat Washers 316 SS - 5/16" (0.343 ID x 3/4 OD x .050 THK)
SKU #12280073
1
$0.17 (0.17/ea)
100
$9.00 (0.09/ea)
1000
$70.00 (0.07/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 3/8" (0.406 ID x 7/8 OD x .050 THK)
SKU #12280085
Flat Washers 316 SS - 3/8" (0.406 ID x 7/8 OD x .050 THK)
SKU #12280085
1
$0.20 (0.2/ea)
100
$11.00 (0.11/ea)
1000
$90.00 (0.09/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 7/16" (0.500 ID x 1-1/8 OD x .062 THK)
SKU #12280097
Flat Washers 316 SS - 7/16" (0.500 ID x 1-1/8 OD x .062 THK)
SKU #12280097
1
$0.40 (0.4/ea)
100
$29.00 (0.29/ea)
1000
$230.00 (0.23/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 1/2" (0.531 ID x 1-1/4 OD x .062 THK)
SKU #12280109
Flat Washers 316 SS - 1/2" (0.531 ID x 1-1/4 OD x .062 THK)
SKU #12280109
1
$0.50 (0.5/ea)
100
$33.00 (0.33/ea)
1000
$270.00 (0.27/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 9/16" (0.625 ID x 1-3/8 OD x .078 THK)
SKU #12280121
Flat Washers 316 SS - 9/16" (0.625 ID x 1-3/8 OD x .078 THK)
SKU #12280121
1
$0.52 (0.52/ea)
100
$43.00 (0.43/ea)
1000
$390.00 (0.39/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 5/8" (0.687 ID x 1-1/2 OD x .078 THK)
SKU #12280133
Flat Washers 316 SS - 5/8" (0.687 ID x 1-1/2 OD x .078 THK)
SKU #12280133
1
$1.02 (1.02/ea)
100
$61.00 (0.61/ea)
1000
$510.00 (0.51/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 3/4" (0.812 ID x 1-7/8 OD x .109 THK)
SKU #12280145
Flat Washers 316 SS - 3/4" (0.812 ID x 1-7/8 OD x .109 THK)
SKU #12280145
1
$1.57 (1.57/ea)
100
$115.00 (1.15/ea)
1000
$930.00 (0.93/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 7/8" (0.937 ID x 2 OD x .109 THK)
SKU #12280157
Flat Washers 316 SS - 7/8" (0.937 ID x 2 OD x .109 THK)
SKU #12280157
1
$2.06 (2.06/ea)
100
$169.00 (1.69/ea)
1000
$1,360.00 (1.36/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 1" (1.062 ID x 2 OD x .109 THK)
SKU #12280169
Flat Washers 316 SS - 1" (1.062 ID x 2 OD x .109 THK)
SKU #12280169
1
$2.10 (2.1/ea)
100
$170.00 (1.7/ea)
1000
$1,370.00 (1.37/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 1-1/8" (1.187 ID x 2-1/2 OD x .125 THK)
SKU #12280181
Flat Washers 316 SS - 1-1/8" (1.187 ID x 2-1/2 OD x .125 THK)
SKU #12280181
1
$2.08 (2.08/ea)
100
$172.00 (1.72/ea)
1000
$1,560.00 (1.56/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 1-1/4" (1.312 ID x 2-3/4 OD x .125 THK)
SKU #12280193
Flat Washers 316 SS - 1-1/4" (1.312 ID x 2-3/4 OD x .125 THK)
SKU #12280193
1
$2.48 (2.48/ea)
100
$205.00 (2.05/ea)
1000
$1,860.00 (1.86/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 1-3/8" (1.50 ID x 3-1/4 OD x .140 THK)
SKU #12280205
Flat Washers 316 SS - 1-3/8" (1.50 ID x 3-1/4 OD x .140 THK)
SKU #12280205
1
$6.80 (6.8/ea)
100
$561.00 (5.61/ea)
1000
$5,100.00 (5.1/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 1-1/2" (1.562 ID x 3-1/4 OD x .140 THK)
SKU #12280217
Flat Washers 316 SS - 1-1/2" (1.562 ID x 3-1/4 OD x .140 THK)
SKU #12280217
1
$4.32 (4.32/ea)
100
$356.00 (3.56/ea)
1000
$3,240.00 (3.24/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 1-3/4" (1.812 ID x 3-1/2 OD x .140 THK)
SKU #12280229
Flat Washers 316 SS - 1-3/4" (1.812 ID x 3-1/2 OD x .140 THK)
SKU #12280229
1
$11.80 (11.8/ea)
100
$974.00 (9.74/ea)
1000
$8,850.00 (8.85/ea)
Subtotal: $0.00 /
Flat Washers 316 SS - 2" (2.125 ID x 4 OD x .187 THK)
SKU #12280241
Flat Washers 316 SS - 2" (2.125 ID x 4 OD x .187 THK)
SKU #12280241
1
$22.00 (22/ea)
100
$1,815.00 (18.15/ea)
1000
$16,500.00 (16.5/ea)
Subtotal: $0.00 /

Product Specifications
Corrosion Resistant
Yes
Grade
316
Marine Grade
Yes
Material
Stainless Steel
System of Measurement (Unit)
Inch
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances