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Quantity
1
Description
SD-6: (6 Hole Sizes) Two Flutes 1/4" Shank 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" Evolution Premium Step Drills are made from the same high-quality M2AL as Cyclone Premium Annular Cutters. These tools are heat treated to 68RC, giving them mo...