FastenersScrewsSelf-DrillingHex Washer, SerratedSlottedSteel Zinc
SERRATED HEX WASHER SLOTTED
SELF DRILLING SCREWS
- Manufactured to ASME B18.6.3 & SAE J78 specifications
- Case Hardened to Rockwell C50-56 (Core Hardness: Rockwell C32-40)
- Steel Zinc Plated