Made with drop forged heat treated high speed steel (HSS) with titanium nitride coating for longer life time. High speed titanium nitride coated steel Replaces 28 separate drill bits Two fluted design for fast smooth cutting. Automatically deburrs holes as you drill. Six step bit: 3/16" 1/4" 5/16" 3/8" 7/16" 1/2"; Nine step bit: 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4"; Thirteen step bit: 1/8" 5/32" 3/16" 7/32" 1/4" 9/32" 5/16" 11/32" 3/8" 13/32" 7/32" 1/4" 9/32" 5/16" 11/32" 3/8" 13/32" 7/16" 15/32" 1/2"
- This compact set replaces 28 individual drill bits
- Two-flute design for faster smoother cutting
- Package comes with one 3/16-inch to 1/2-inch six-step bit titanium coated
- One 1/4-inch to 3/4-inch nine-step bit titanium coated
- 1/8-inch to 1/2-inch thirteen-step bit titanium coated
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