Slotted Serrated Hex Washer Self Piercing Screws All Heads are 1/4 Across the Flats Case Hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38) Fully Threaded
8-15X3/4 Self-Piercing Screws | Slotted Serrated Hex Washer | (1/4" AF) | Fully Threaded | Steel | Zinc Plated (QUANTITY: 8000)
