Sealey ak4742 hss m2 step drill bit 4 30mm spiral flute
Sealey hss m24341 step drill bits sealey ak4742 these hss m2 step drill bits from sealey offer double spiral flutes for efficient swarf clearance allows clog free precision drilling of fourteen different size holes between 4 30mm with just one bit supplied in plastic storage case sealey ak4742 hss m2 step drill bit 4 30mm spiral flute