drill bits & sets
irwin unibit 11103cb cobalt step drill bit 6 18mm 2mm step
cobalt step drill bit size 6mm to 18mm in . shank size 1 4 in . number of hole sizes 7 step thickness 2mm br b features b ul li includes li li item cobalt step drill bit li li size 6mm to 18mm li li design li li number of hole sizes 7 li li step thickness 2mm li li shank size 1 4 li ul
irwin unibit