Gr. 8 Frame Bolt - Trim Hd
IFI 111 (Partial Thread) (Non-Indented Head)
Material: Alloy Steel AISI 4135
Tensile Strength: Min 150,000 PSI
Core Hardness: HRC 33 ~ 39
Surface Hardness: HR30N MAX 58.6
Screw Threads: ANSI B1.1 UNC
Class of Threads: #8 ~ 3/4, 2A