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Irwin's fractional step drill is ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood, and laminates. New SpeedPoint tips provide 6X faster initial penetration time than before, and eliminates the need for center punching.
Irwin's fractional step drill is ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood, and laminates. New SpeedPoint tips provide 6X faster initial penetration time than before, and eliminates the need for center punching.

Made in the U.S.A.
This item is proudly made in the United States of America.
| Part Number | 10232, 585-10232 |
| Country of Origin | USA |
| Weight | 0.10-lb |
| UPC | 038548101026 |
3/16" - 1/2" Unibit Stepdrill


Made in the U.S.A.
This item is proudly made in the United States of America.
Irwin's fractional step drill is ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood, and laminates. New SpeedPoint tips provide 6X faster initial penetration time than before, and eliminates the need for center punching.
| Part Number | 10232, 585-10232 |
| Country of Origin | USA |
| Weight | 0.10-lb |
| UPC | 038548101026 |
3/16" - 1/2" Unibit Stepdrill
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