drill bits & sets
irwin unibit unibit 13 hss step drill bit 1 1 8 in shank 7 16
step drill bit size 1 1 8 in . shank size 7 16 in . number of hole sizes 1 step thickness material high speed steel design ensures true starts without walking even on curved surfaces includes br b features b ul li includes li li item step drill bit li li material high speed steel li li size 1 1 8 li li design ensures true starts without walking even on curved surfaces li li number of hole sizes 1 li li step thickness li li shank size 7 16 li ul
irwin unibit