#518252

Diameter Thread Threads Length Grade Finish Weight
3.5 (3 1/2) Partial 0 Plain Finish 1.8096
Diameter 3.5 (3 1/2)
Thread 0
Length
Grade
Finish Plain Finish
Weight 1.8096



Earnests Structural Washers prevent imbedding or distortion of the washer and material being clamped. The washers provide a smooth level and wide protective bearing surface while constructing bridges, buildings, and warehouses by fastening I-beams. Earnest offers F436 washers that correspond to a Grade 8 or better to be used on Grade A325 and A 490 bolts.

F436 Hardened Washer – Grade A325 and A490

  • Hardened washers prevent imbedding or distortion and protects clamping material
  • Used in constructing buildings, bridges, and warehouses by fastening I-beams
  • Smooth, level bearing surface to fasten bolt and nut
  • Rockwell hardness of 38/45
  • Corresponds to Grade 8 or better applications
  • Sizes range from 1/4 to 3
  • Meet ASTM F436 standards
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