drill bits & sets
irwin unibit 10220cb cobalt step drill bit 9 16 1 in x 1 8
step drill bit size 9 16 to 1 in . shank size 7 16 in . number of hole sizes 8 step thickness 1 8 in . material cobalt design hole enlarging includes br b features b ul li includes li li item step drill bit li li material cobalt li li size 9 16 to 1 li li design hole enlarging li li number of hole sizes 8 li li step thickness 1 8 li li shank size 7 16 li ul
irwin unibit