BBI 00056-4031-040 Rolled Thread Cap Screw, 1-8, 3-1/4 in L Under Head, 5 Grade, Medium Carbon Steel, Plain
BBI Cap Screw, Rolled Thread, Series: 00056, Measurement System: Imperial, 1-8 Thread, 3-1/4 in Length Under Head, 5 Grade, Medium Carbon Steel, Plain, UNC Thread, 39/64 in H Head, Hex Head, 120000 psi Tensile Strength, Material Specification: SAE J429, 1 in Minimum Thread Length, 25 to 34 HRC Hardness