SGS 1/4″ Dia, 60 Degree, 1 Flute, 1/4″ Shank Dia, Uncoated, Series 601, General Application Countersink

SGS 1/4″ Dia, 60 Degree, 1 Flute, Countersink
SGS 1/4″ Dia, 60 Degree, 1 Flute, 1/4″ Shank Dia, Uncoated, Series 601, General Application Countersink