HSS Cobalt Blacksmith Drill Bit Reduced Shank Drills Metric Sizes 14mm - 17.5mm

Material Quality: HSS-6542 High-speed Hteel Containing Cobalt. Application: Suitable For Drilling Various Materials Such as Die Steel, L-beam, Ordinary Steel, Angle iron, Aluminum, Copper, Wood, Stainless Steel Within 1-4mm, etc.

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