High-Speed Steel Drill Bit Set | 1/4 Hex Shank | 4mm-10mm for Hardened Metal

Engineered for demanding applications, this White Steel Twist Drill set delivers exceptional performance in stainless steel and hardened alloys. The 1/4" hex handle ensures a secure, non-slip grip in any drill chuck, while the specialized high-hardness steel construction provides superior durability and heat resistance for clean, precise holes from 4mm to 10mm. Features and Benefits - High-Hardness Steel Alloy - Specifically formulated for drilling tough materials like stainless steel and hardened alloys with reduced wear and breakage. - 1/4 Inch Hex Shank - Provides a universal, secure fit in all standard drill chucks and impact drivers, preventing bit slippage under high torque. - Precision-Ground Flute Design - Ensures efficient chip removal for cooler operation and faster drilling speeds, extending bit life. - White Steel Treatment - Offers enhanced surface hardness and corrosion resistance compared to standard high-speed steel bits. - Complete Size Range (4, 5, 6, 8, 10mm) - Covers the most common drilling needs for metalworking, fabrication, and construction projects. Applications - Metal Fabrication and Repair - Ideal for drilling clean holes in stainless steel sheet metal, angle iron, and other ferrous alloys. - Automotive and Machinery Work - Perfect for maintenance tasks, custom brackets, or modifying components made from hardened steel. - General Construction and DIY - A reliable choice for installing fixtures, drilling through studs with embedded metal, or any project requiring durable drill bits. - HVAC and Plumbing - Suitable for creating precise openings in ductwork, brackets, and other metal fixtures encountered in trade work.