BBI 455092 Partially Threaded Cap Screw, 5/16-18, 2-3/4 in L Under Head, 8 Grade, Alloy Steel, Zinc Yellow Bake CR+6

BBI Cap Screw, Partially Threaded, Measurement System: Imperial, 5/16-18 Thread, 2-3/4 in Length Under Head, 8 Grade, Alloy Steel, Zinc Yellow Bake CR+6, UNC Thread, 13/64 in H Head, Hex Head, 150000 psi Tensile Strength, Material Specification: ASTM B633-Fe, Zn5 Type 2, 5/16 in Shank, 33 to 39 HRC Hardness