Imperial 78620 Extra Thick Alloy Uss Flat Washers, 1"

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Use with Grade 5 or 8 fasteners, Extra thick alloy uss flat washers, High tensile strength, won't dish out
SKU: 42613281
MFG: 78620
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Use with Grade 5 or 8 fasteners. Extra thick alloy uss flat washers. High tensile strength, won't dish out. ASTM F436 Rockwell hardness of C38-C45. ASTM A325 and A490 dimensional specifications. Plating: zinc; yellow dichromate plating for corrosion resistance.


  • Size: 1"
  • Outside Diameter: 2"-1/2"
  • Inside Diameter: 1"-1/16"
  • Thickness:  0.235-.265


MFR: 78620
SKU: 42613281
Brand: Imperial