Flat Washers Standard 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"
2" 2.125" 4" 0.187"
Select Products Below
Qty
Size
Select Package Quantity
SubTotal
#4
SKU #1000-105092
#4
SKU #1000-105092
1
$0.15 (0.15/ea)
25
$0.75 (0.03/ea)
100
$2.00 (0.02/ea)
1000
$10.00 (0.01/ea)
 
#6
SKU #1000-105102
#6
SKU #1000-105102
1
$0.15 (0.15/ea)
25
$1.00 (0.04/ea)
100
$3.00 (0.03/ea)
1000
$20.00 (0.02/ea)
 
#8
SKU #1000-105112
#8
SKU #1000-105112
1
$0.15 (0.15/ea)
25
$0.75 (0.03/ea)
100
$2.00 (0.02/ea)
1000
$10.00 (0.01/ea)
 
#10
SKU #1000-105122
#10
SKU #1000-105122
1
$0.15 (0.15/ea)
25
$0.75 (0.03/ea)
100
$2.00 (0.02/ea)
1000
$10.00 (0.01/ea)
 
#12
SKU #1000-105132
#12
SKU #1000-105132
1
$0.15 (0.15/ea)
25
$1.25 (0.05/ea)
100
$4.00 (0.04/ea)
1000
$30.00 (0.03/ea)
 
1/4"
SKU #1000-105142
1/4"
SKU #1000-105142
1
$0.15 (0.15/ea)
25
$1.00 (0.04/ea)
100
$3.00 (0.03/ea)
1000
$20.00 (0.02/ea)
 
5/16"
SKU #1000-105152
5/16"
SKU #1000-105152
1
$0.15 (0.15/ea)
25
$1.50 (0.06/ea)
100
$5.00 (0.05/ea)
1000
$40.00 (0.04/ea)
 
3/8"
SKU #1000-105162
3/8"
SKU #1000-105162
1
$0.15 (0.15/ea)
25
$2.00 (0.08/ea)
100
$7.00 (0.07/ea)
1000
$60.00 (0.06/ea)
 
7/16"
SKU #1000-105172
7/16"
SKU #1000-105172
1
$0.15 (0.15/ea)
25
$3.50 (0.14/ea)
100
$13.00 (0.13/ea)
1000
$100.00 (0.10/ea)
 
1/2"
SKU #1000-105182
1/2"
SKU #1000-105182
1
$0.18 (0.18/ea)
25
$4.25 (0.17/ea)
100
$15.00 (0.15/ea)
1000
$120.00 (0.12/ea)
 
9/16"
SKU #1000-105192
9/16"
SKU #1000-105192
1
$0.18 (0.18/ea)
25
$4.25 (0.17/ea)
100
$15.00 (0.15/ea)
1000
$120.00 (0.12/ea)
 
5/8"
SKU #1000-105202
5/8"
SKU #1000-105202
1
$0.34 (0.34/ea)
25
$7.75 (0.31/ea)
100
$28.00 (0.28/ea)
1000
$220.00 (0.22/ea)
 
3/4"
SKU #1000-105212
3/4"
SKU #1000-105212
1
$0.75 (0.75/ea)
25
$17.00 (0.68/ea)
100
$62.00 (0.62/ea)
1000
$490.00 (0.49/ea)
 
7/8"
SKU #1000-105222
7/8"
SKU #1000-105222
1
$0.80 (0.80/ea)
25
$18.25 (0.73/ea)
100
$66.00 (0.66/ea)
1000
$530.00 (0.53/ea)
 
1"
SKU #1000-105232
1"
SKU #1000-105232
1
$0.97 (0.97/ea)
25
$22.25 (0.89/ea)
100
$81.00 (0.81/ea)
1000
$650.00 (0.65/ea)
 
1-1/8"
SKU #1000-105242
1-1/8"
SKU #1000-105242
1
$1.56 (1.56/ea)
25
$35.75 (1.43/ea)
100
$130.00 (1.30/ea)
1000
$1,040.00 (1.04/ea)
 
1-1/4"
SKU #1000-105252
1-1/4"
SKU #1000-105252
1
$1.91 (1.91/ea)
25
$43.75 (1.75/ea)
100
$159.00 (1.59/ea)
1000
$1,270.00 (1.27/ea)
 
1-3/8"
SKU #1000-105262
1-3/8"
SKU #1000-105262
1
$5.20 (5.20/ea)
25
$119.00 (4.76/ea)
100
$433.00 (4.33/ea)
1000
$3,470.00 (3.47/ea)
 
1-1/2"
SKU #1000-105272
1-1/2"
SKU #1000-105272
1
$3.12 (3.12/ea)
25
$71.50 (2.86/ea)
100
$260.00 (2.60/ea)
1000
$2,080.00 (2.08/ea)
 
1-3/4"
SKU #1000-105282
1-3/4"
SKU #1000-105282
1
$4.50 (4.50/ea)
25
$103.25 (4.13/ea)
100
$375.00 (3.75/ea)
1000
$3,000.00 (3.00/ea)