Flat - Phillips - Undercut - Self Drilling Screws - Zinc
Manufactured to ASME B18.6.3 & SAE J78 specifications
Case Hardened to Rockwell C50-56 (Core Hardness: Rockwell C32-40)
Steel Zinc Plated
Manufactured to ASME B18.6.3 & SAE J78 specifications
Case Hardened to Rockwell C50-56 (Core Hardness: Rockwell C32-40)
Steel Zinc Plated