BBI 581620 Semi-Standard Cap Screw, 9/16-12 UNC x 2-3/4 in, 7/16 in Hex Drive, Grade 3A, Heat Treated Alloy Steel
BBI Cap Screw, Semi-Standard, Series: 1960, UNC, 9/16-12, 2-3/4 in Overall Length, Round Socket Head, 0.843 in Head, Hex Drive, 7/16 in Drive, 170000 psi Tensile, HRC 38 - 43 Hardness, Heat Treated Alloy Steel, Grade: 3A, Plain
- Right hand thread direction