Exact Countersink Bits with 1/4in, Hexagonal Shafts - Exact 05642, An 8.
3mm HSS countersinking bit with head according to DIN 335 form C and a 6.
3mm (1/4in.
) hex bit shank drive (DIN 3126) for fast tool changes.
Exact 05642 Countersink Bit M4 8.
3mm