Titanium Steel Step Down Variable Size Sized Steel Drilling Drill Bit Uni
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$22.99
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- 1/2" Hex Shank
- HSS with heat treated
- Titanium Nitride Coating
- last up to 4-5 times than ordinary drill bits
- Drill round holes in most metals, plastic, wood...etc
- Self-starting tip will not skid
- No center punching Or pilot hole required
- Compatible with all electric drills and drill presses
- 12 Hole sizes in 1/16" increments
- Sizes: 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16", 1 1/8"