drill bits & sets
irwin unibit 502 hss step drill bit set 3 pc
hss step drill bit set 3 pc size 1 8 to 1 2 in . shank size 1 4 x 3 8 in . number of hole sizes 28 step thickness 1 32 in and 1 16 in includes 4a946 4a948 4a949 br b features b ul li includes 4a946 1 8 to 1 2 4a948 1 4 to 3 4 4a949 3 16 to 1 2 li li item step drill bit set li li number of pieces 3 li li size 1 8 to 1 2 li li step thickness 1 32 and 1 16 li li shank size 1 4 x 3 8 li ul
irwin unibit