Flat Washers, USS, Thru Hardened Grade 8 Yellow Zinc

Flat Washers, USS, Thru Hardened Grade 8 Yellow Zinc

Thru Hardened Yellow Zinc Flat Washers - USS Sizes


  • Grade 8 flat washers in USS are measured in Inch sizes
  • Made of through hardened Grade 8 steel with a yellow zinc plating
  • Used to provide ease of movement for spinning parts, or when the hole holding the fastener assembly is larger than the finishing nut
  • Check below to see our size chart for inner and outer diameter and washer thickness
  • IFI Tolerances Apply
  • Washer Thickness may very +/- .02 depending on production run.

Reference Materials


SAE FLAT WASHERS Size Chart

USS FLAT WASHERS Size Chart (PDF) - Print Friendly, 173Kb


Flat Washer Sizes Inner Diameter (ID) Outer Diameter (OD) Washer Thickness
1/4" 0.312" 0.734" 0.065"
5/16" 0.375" 7/8" 0.084"
3/8" 0.438" 1" 0.084"
7/16" 0.500" 1-1/4" 0.084"
1/2" 0.562" 1-3/8" 0.109"
9/16" 0.625" 1.469" 0.109"
5/8" 0.688" 1-3/4" 0.133"
3/4" 0.812" 2" 0.149"
7/8" 0.938" 2-1/4" 0.163"
1" 1.062" 2-1/2" 0.163"
1-1/8" 1.25" 2-3/4" 0.163"
1-1/4" 1.375" 3" 0.163"
1-1/2" 1.625" 3-1/2" 0.182"
Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size/SKU
Select Package Quantity Price
SubTotal
1 $0.09 (0.09/ea)
100 $6.00 (0.06/ea)
1000 $50.00 (0.05/ea)
Subtotal: $0.00 /
USS 5/16"
USS 5/16"
1 $0.13 (0.13/ea)
100 $9.00 (0.09/ea)
1000 $70.00 (0.07/ea)
Subtotal: $0.00 /
1 $0.12 (0.12/ea)
100 $10.00 (0.1/ea)
1000 $100.00 (0.1/ea)
Subtotal: $0.00 /
USS 7/16"
USS 7/16"
1 $0.20 (0.2/ea)
100 $16.00 (0.16/ea)
1000 $140.00 (0.14/ea)
Subtotal: $0.00 /
1 $0.27 (0.27/ea)
100 $22.00 (0.22/ea)
1000 $190.00 (0.19/ea)
Subtotal: $0.00 /
USS 9/16"
USS 9/16"
1 $0.58 (0.58/ea)
100 $50.00 (0.5/ea)
1000 $480.00 (0.48/ea)
Subtotal: $0.00 /
1 $0.66 (0.66/ea)
100 $57.00 (0.57/ea)
1000 $550.00 (0.55/ea)
Subtotal: $0.00 /
1 $0.87 (0.87/ea)
100 $75.00 (0.75/ea)
1000 $720.00 (0.72/ea)
Subtotal: $0.00 /
1 $1.43 (1.43/ea)
100 $105.00 (1.05/ea)
1000 $910.00 (0.91/ea)
Subtotal: $0.00 /
1 $1.64 (1.64/ea)
100 $104.00 (1.04/ea)
1000 $1,050.00 (1.05/ea)
Subtotal: $0.00 /
USS 1-1/8"
USS 1-1/8"
1 $1.71 (1.71/ea)
100 $158.00 (1.58/ea)
1000 $1,640.00 (1.64/ea)
Subtotal: $0.00 /
USS 1-1/4"
USS 1-1/4"
1 $2.03 (2.03/ea)
100 $171.00 (1.71/ea)
1000 $1,750.00 (1.75/ea)
Subtotal: $0.00 /
USS 1-1/2"
USS 1-1/2"
1 $2.94 (2.94/ea)
100 $281.00 (2.81/ea)
1000 $2,930.00 (2.93/ea)
Subtotal: $0.00 /

Product Specifications
Finish
Yellow Zinc Plated
Grade
Grade 8
Material
Steel
System of Measurement (Unit)
Inch
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances