Machine Screw, Full Threaded, Measurement System: Imperial, #8-32, 1/2 in Length, Steel, Zinc-Plated, 1/2 in Thread Length, #2 Drive, Imperial Machine, #8 Head, Quadrex Drive, Type B Point, Pan Head, Standards/Approvals: ASME B18.6.3 Specified, Applications: For handles and knobs