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Flat Washers 304 Stainless Steel

Stainless Steel Flat Washers

Standard Round Washers in 304 Stainless Steel

A 304 stainless steel 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
  • Washer Thickness may very +/- .007 depending on production run
  • IFI Tolerances Apply
  • 304 stainless steel flat washers are corrosion resistant
Flat Washer Sizes Inner Diameter (ID) Outer Diameter (OD) Washer Thickness
#4 0.125" 0.312" 0.031"
#6 0.149" 0.375" 0.031"
#8 0.174" 0.375" 0.031"
#10 0.203" 0.437" 0.063"
#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"
Select Products Below See Product Specifications
NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
Flat Washers 304 SS - #4 (.125 ID x .312 OD x .031 Thick)
SKU #1000-105092
Flat Washers 304 SS - #4 (.125 ID x .312 OD x .031 Thick)
SKU #1000-105092
1
 NA
25
 $1.50 (0.06/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - #6 (.149 ID x .375 OD x .031 Thick)
SKU #1000-105102
Flat Washers 304 SS - #6 (.149 ID x .375 OD x .031 Thick)
SKU #1000-105102
1
 NA
25
 $1.50 (0.06/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - #8 (.174 ID x .375 OD x .031 Thick)
SKU #1000-105112
Flat Washers 304 SS - #8 (.174 ID x .375 OD x .031 Thick)
SKU #1000-105112
1
 NA
25
 $1.50 (0.06/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - #10 (.203 ID x .437 OD x .063 Thick)
SKU #1000-105122
Flat Washers 304 SS - #10 (.203 ID x .437 OD x .063 Thick)
SKU #1000-105122
1
 NA
25
 $1.50 (0.06/ea)
100
 $3.00 (0.03/ea)
1000
 $20.00 (0.02/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - #12 (.250 ID x 9/16 OD x .050 Thick)
SKU #1000-105132
Flat Washers 304 SS - #12 (.250 ID x 9/16 OD x .050 Thick)
SKU #1000-105132
1
 NA
25
 $1.50 (0.06/ea)
100
 $5.00 (0.05/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1/4" (.281 ID x 5/8 OD x .050 Thick)
SKU #1000-105142
Flat Washers 304 SS - 1/4" (.281 ID x 5/8 OD x .050 Thick)
SKU #1000-105142
1
 NA
25
 $1.50 (0.06/ea)
100
 $5.00 (0.05/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 5/16" (.343 ID x 3/4 OD x .050 Thick)
SKU #1000-105152
Flat Washers 304 SS - 5/16" (.343 ID x 3/4 OD x .050 Thick)
SKU #1000-105152
1
 NA
25
 $2.00 (0.08/ea)
100
 $6.00 (0.06/ea)
1000
 $40.00 (0.04/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 3/8" (.406 ID x 7/8 OD x .050 Thick)
SKU #1000-105162
Flat Washers 304 SS - 3/8" (.406 ID x 7/8 OD x .050 Thick)
SKU #1000-105162
1
 NA
25
 $2.50 (0.1/ea)
100
 $8.00 (0.08/ea)
1000
 $70.00 (0.07/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 7/16" (.500 ID x 1-1/8 OD x .062 Thick)
SKU #1000-105172
Flat Washers 304 SS - 7/16" (.500 ID x 1-1/8 OD x .062 Thick)
SKU #1000-105172
1
 NA
25
 $4.75 (0.19/ea)
100
 $15.00 (0.15/ea)
1000
 $130.00 (0.13/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1/2" (.531 ID x 1-1/4 OD x .062 Thick)
SKU #1000-105182
Flat Washers 304 SS - 1/2" (.531 ID x 1-1/4 OD x .062 Thick)
SKU #1000-105182
1
 NA
25
 $6.00 (0.24/ea)
100
 $18.00 (0.18/ea)
1000
 $150.00 (0.15/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 9/16" (.625 ID x 1-3/8 OD x .078 Thick)
SKU #1000-105192
Flat Washers 304 SS - 9/16" (.625 ID x 1-3/8 OD x .078 Thick)
SKU #1000-105192
1
 NA
25
 $10.25 (0.41/ea)
100
 $28.00 (0.28/ea)
1000
 $240.00 (0.24/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 5/8" (.687 ID x 1-1/2 OD x .078 Thick)
SKU #1000-105202
Flat Washers 304 SS - 5/8" (.687 ID x 1-1/2 OD x .078 Thick)
SKU #1000-105202
1
 NA
25
 $14.75 (0.59/ea)
100
 $36.00 (0.36/ea)
1000
 $300.00 (0.3/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 3/4" (.812 ID x 1-7/8 OD x .109 Thick)
SKU #1000-105212
Flat Washers 304 SS - 3/4" (.812 ID x 1-7/8 OD x .109 Thick)
SKU #1000-105212
1
 $0.87 (0.87/ea)
25
 $21.00 (0.84/ea)
100
 $78.00 (0.78/ea)
1000
 $710.00 (0.71/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 7/8" (.937 ID x 2 OD x .109 Thick)
SKU #1000-105222
Flat Washers 304 SS - 7/8" (.937 ID x 2 OD x .109 Thick)
SKU #1000-105222
1
 $1.09 (1.09/ea)
25
 $24.50 (0.98/ea)
100
 $83.00 (0.83/ea)
1000
 $700.00 (0.7/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1" (1.062 ID x 2 OD x .125 Thick)
SKU #1000-105232
Flat Washers 304 SS - 1" (1.062 ID x 2 OD x .125 Thick)
SKU #1000-105232
1
 $1.19 (1.19/ea)
25
 $26.75 (1.07/ea)
100
 $89.00 (0.89/ea)
1000
 $760.00 (0.76/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1-1/8" (1.187 ID x 2-1/2 OD x .125 Thick)
SKU #1000-105242
Flat Washers 304 SS - 1-1/8" (1.187 ID x 2-1/2 OD x .125 Thick)
SKU #1000-105242
1
 $1.99 (1.99/ea)
25
 $44.75 (1.79/ea)
100
 $152.00 (1.52/ea)
1000
 $1,330.00 (1.33/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1-1/4 (1.312 ID x 2-3/4 OD x .125 Thick)
SKU #1000-105252
Flat Washers 304 SS - 1-1/4 (1.312 ID x 2-3/4 OD x .125 Thick)
SKU #1000-105252
1
 $2.43 (2.43/ea)
25
 $54.75 (2.19/ea)
100
 $188.00 (1.88/ea)
1000
 $1,640.00 (1.64/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1-3/8" (1.50 ID x 3-1/4 OD x .140 Thick)
SKU #1000-105262
Flat Washers 304 SS - 1-3/8" (1.50 ID x 3-1/4 OD x .140 Thick)
SKU #1000-105262
1
 $6.90 (6.9/ea)
25
 $171.25 (6.85/ea)
100
 $678.00 (6.78/ea)
1000
 $5,420.00 (5.42/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1-1/2" (1.562 ID x 3-1/4 OD x .140 Thick)
SKU #1000-105272
Flat Washers 304 SS - 1-1/2" (1.562 ID x 3-1/4 OD x .140 Thick)
SKU #1000-105272
1
 $3.66 (3.66/ea)
25
 $82.25 (3.29/ea)
100
 $284.00 (2.84/ea)
1000
 $2,480.00 (2.48/ea)
Subtotal: $0.00 /
Flat Washers 304 SS - 1-3/4" (1.812 ID x 3-1/2 OD x .140 Thick)
SKU #1000-105282
Flat Washers 304 SS - 1-3/4" (1.812 ID x 3-1/2 OD x .140 Thick)
SKU #1000-105282
1
 $6.01 (6.01/ea)
25
 $148.75 (5.95/ea)
100
 $588.00 (5.88/ea)
1000
 $4,700.00 (4.7/ea)
Subtotal: $0.00 /
Product Specifications
Corrosion Resistant
Yes
Grade
304
Material
Stainless Steel
System of Measurement (Unit)
Inch
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances

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