Step Drill HSS Titanium Cone Drill Bit Metal Drilling Tool 4-12/22/32,5-23

Material:HSS M35 Co. Spiral Groove 3 Flutes M35 Cobalt Step Drill TiAIN Drill Bit With 1/4"(6.35mm) Hex Quick Change Shank. Handle:6.35mm(1/4" shank). 3 Flutes HSS-CO M35 Spiral grooved Step TiAIN Drill Bits Cut Tool Set.

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