SKU: 10234CB
Category: Drill Bits
Product Features
- 6X Longer life vs. the competition.
- M35 grade Cobalt HSS.
- Radial concave flute.
- 3-Flatted shank.
- Speedpoint tip.
- Laser marked sizes.
Price:$70.95
Unibit Step Drill Bit, Cobalt HSS, 1/4" to 3/4", 9 Hole Sizes, 3/8" Shank IRWIN Unibit Cobalt is made of high-speed steel, this step drill bit will last longer in the toughest of materials. Best suited for maintenance and repair work.
1 lbs (0.5Kg) shipping weight.These amazing drill bits will make sheet metal work a snap! one Unibit will drill many different size holes. each step will drill through material up to 1/8" thick.
Unibit® | ||||
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Part | Material | Hole Sizes | Number of Holes | Number of Steps |
UNIBIT-1 | H.S.S | #1 | 1/8"-1/2" | 13 |
10231CB | Colbalt | #1 | 1/8"-1/2" | 13 |
15101ZR | Titanium | #1T | 1/8"-1/2" | 13 |
UNIBIT-3 | H.S.S | #3 | 3/16"-1/2" | 9 |
10233CB | Colbalt | #3 | 3/16"-1/2" | 9 |
UNIBIT-4 | H.S.S | #4 | 3/16"-7/8" | 12 |
10234CB | Colbalt | #4 | 3/16"-7/8" | 12 |
UNIBIT-5 | H.S.S | #5 | 1/4"-1-3/8" | 10 |
UNIBIT-9 | H.S.S | #9 | 7/8 & 1-1/8" | 2 |
10239CB | Colbalt | #9 | 7/8" & 1-1/8" | 2 |
UNIBIT-20 | H.S.S | #20 | 9/16"-1" | 8 |
10220CB | Colbalt | #20 | 9/16"-1" | 8 |
15221 | Titanium | #21 | 13/16"-1-3/8" | 10 |