SGS 3/16″ Dia, 60 Degree, 1 Flute, 3/16″ Shank Dia, Uncoated, Series 601, General Application Countersink

SGS 3/16″ Dia, 60 Degree, 1 Flute, Countersink
SGS 3/16″ Dia, 60 Degree, 1 Flute, 3/16″ Shank Dia, Uncoated, Series 601, General Application Countersink