(6) 3/4"-16 x 3-1/2" SHCS Socket Head B7 Alloy Steel High Temperature & Tensile

(Lot of 6) 3/4"-16 x 3-1/2" SHCS Socket Head B7 Alloy Steel High Temperature & TensileINV# P-953Grade B7 is a standard material specification for Chromium-Molybdenum Alloy Steel fasteners for use in high tensile, high temperature and special purpose applications. Grade B7 is a heat-treated chromium-molybdenum alloy steel with minimum tensile requirement of 100 ksi, yield of 75 ksi and maximum hardness of 35 HRC.