SGS 1/2" Dia, 90 Degree, 1 Flute, Countersink
SGS 1/2″ Dia, 90 Degree, 1 Flute, Countersink

SGS 1/2″ Dia, 90 Degree, 1 Flute, Countersink

SGS 1/2″ Dia, 90 Degree, 1 Flute, 1/4″ Shank Dia, Uncoated, Series 601, General Application Countersink