drill bits & sets
irwin unibit unibit 20 hss step drill bit 9 16 1 in step 1 8
step drill bit material high speed steel bright finish number of hole sizes 8 shank size 7 16 in . step thickness 1 8 in . size range 9 16 in . to 1 in . sizes included 9 16 in . 5 8 in . 11 16 in . 3 4 in . 13 16 in . 7 8 in . 15 16 in . 1 in . number of flutes 1 shank type hex bit length 3 in . br b features b ul li material high speed steel li li number of hole sizes 8 li li item step drill bit li li design ensures true starts without walking even on curved surfaces li li shank size 7 16 li li size 9 16 to 1 li li includes li li step thickness 1 8 li li finish bright li li number of flutes 1 li li shank type hex li li sizes included 9 16 5 8 11 16 3 4 13 16 7 8 15 16 1 li li bit length 3 li li size range 9 16 to 1 li ul
irwin unibit