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STRAIGHT FLUTE HSS STEP DRILL
specification
STRAIGHT FLUTE HSS STEP DRILL
Step drill bit is used for drilling cylinder holes in solid material up to a thickness of 4mm
Step drill is ideal tool for sheet metal workers, electrical contractor auto mechanics and general contractors
Burr-free and vibration-free drilling with step drill bit
| Hole size mm/inch | Stepped by | Step |
| 4-12 | 1 | 9 |
| 4-12 | 2 | 5 |
| 4-20 | 2 | 9 |
| 4-32 | 2 | 15 |
| 1/4"-3/4" | 1/16" | 9 |
| 1/8"-1/2" | 1/32" | 13 |
| 3/16"-1/2" | 1/16" | 6 |
| 3/16"-7/8" | 1/16" | 12 |
| 1/4"-1-3/8" | 1/8" | 10 |
xiexianfei@widetoptools.com
Shanghai Office:0086-21-6911 3081 Hangzhou factory: 0571 - 87242328
0086-137 7106 1662
Shanghai Office: Rm.202 No.33 Building,1555 West Jinshajiang Road, Shanghai, China
