5/16″-18 x 3/4″ Grade 8.2 Serrated Hex Flange Machine Bolt, Trivalent RoHS (1,500/Pkg.)

Description

Gr. 8.2 Flange Screw

IFI 111 (Full Thread)

Material: 10B21

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