inch size step drill, hss step drill, straight flute step drills, spiral flute step drills, hss tube drills
Port: SHANGHAI
Payment Terms: L/C,T/T,Western Union
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inch size step drill, hss step drill, straight flute step drills
| HOLE SIZE | STEP | SHANK DIA. |
| 3/16" - 1/2" | 6 step | 1/4" |
| 1/8" - 1/2" | 13 step | 1/4" |
| 1/4" - 3/4" | 9 step | 3/8" |
| 3/16" - 7/8" | 12 step | 3/8" |
| 7/16" - 1 1/8" | 12 step | 3/8" |
| 1/4" - 1 1/2" | 11 step | 1/2" |
| 1/2" - 1" | 9 step | 3/8" |
| 9/16" - 1" | 8 step | 3/8" |
| 3/4" - 1 3/8" | 11 step | 1/2" |
| 13/16" - 1 3/8" | 10 step | 1/2" |