Step Drill Bit, Material Cobalt Alloy Steel, Steam Oxide Finish, Number of Hole Sizes 8, Shank Size 7/16 In., Step Thickness 1/8 In., Size Range 9/16 In. to 1 In., Sizes Included 9/16 In., 5/8 In., 11/16 In., 3/4 In., 13/16 In., 7/8 In., 15/16 In., 1 In., Number of Flutes 1, Shank Type Hex, Bit Length 3 In.
- 6X Longer life vs. the competition
- M35 grade Cobalt Alloy Steel HSS
- Radial concave flute
- Speedpoint tip
- Laser marked sizes
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