Spiral Variable Multi Step Down Drill Bit Unibit Tool Uni Stepped Colbalt Set
Regular price
$91.99
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- Cobalt steel bits provide longer life and cut faster than high speed steel
- Two spiral flutes, automatically will de-burr the edge as you drill and provides better chip removal
- Tri-flat shank for sure grip
- 135 degree split point, self centering
- Case included
- Set Contains:
- 1/4" shank:
- 3/16" to 1/2"
- 6 steps (3/16", 1/4", 5/16", 3/8". 7/16", 1/2")
- 1/8" to 1/2"
- 13 steps (1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 3/8", 13/32", 7/16", 15/32", 1/2")
- 3/8" shank:
- 1/4" to 3/4"
- 9 steps (1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")
- 1/4" to 1-3/8"
- 10 steps (1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8")
- 3/16" to 7/8"
- 12 steps (3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")