HSS straight flute step drill

HSS straight flute step drill (mm)

Size Steps Shank Size Overall Length
3-12 10 6 65
4-12 5 6 65
4-12 9 6 65
4-20 9 8 75
4-22 10 8 72
4-24 11 8 75
4-30 14 10 100
4-32 15 10 89
4-39 13 10 107
5-35 13 13 78
6-18 7 8 70
6-20 8 8 72
6-30 13 10 93
6-35 13 13 78
6-38 12 10 100
6-36 10 12 86
10-20 11 9 77
14-24 6 10 78
20-30 11 12 82