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3164MWW ,Serrated Hex Washer Flange Screws

  • Surface Hardness - Rockwell 30N57.5 max. (Core: Rockwell C 25-38)
  • Tensile Strength-120,000 psi. min.
  • Carbon Steel Zinc Plated
Products specifications
Size 5/16-18 x 4 in
Ctn Qty 300
Weight Lbs/M 82.03
Min. Tensile Strength 120000 psi
Plating Carbon Steel Zinc
Core Hardness Rockwell C25-38
Max. Surface Hardness Rockwell 30N57.5