HSS Slot Drills. HSS - High Speed Steel. 1/8" - 1/4" Shank. 3/16" - 1/4" Shank. 1/4" - 1/4" Shank. 5/16" - 5/16" Shank. 3/8" - 3/8" Shank. 7/16" - 1/2" Shank.
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