14-10X3/4 Serrated Hex Washer - Unslotted - Type A - Self Tapping Screws - 7/16" A.F. - Zinc
Across The Flats: 7/16"
Manufactured to ASME B18.6.3 & SAE J933 specifications
Case Hardened to Rockwell C 45 min.
(Core Hardness: Rockwell C28 - 38)
Fully Threaded / Steel Zinc Plated
