HSS Cobalt Step Drill Bit, 4 Spiral Flute, Hex Shank, for Metal and Wood (3/16" - 7/8"（1pcs）)

• VERSATILE DESIGN: Four spiral flute step drill bit designed for precise drilling in multiple materials including aluminum, stainless steel, metal, wood, and plastic
• DURABILITY: High-speed steel (HSS) construction with cobalt blend ensures extended tool life and superior heat resistance during use
• CONVENIENT HANDLING: Hex shank design prevents slipping and provides secure grip in standard drill chucks and quick-change adapters

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