GeeLii Cobalt Twist Drill Bit Set Stainless Steel Metal Punch Impact Drill Bits 5.5mm 10 Pieces 56213

Sharp cutting edges with precision grinding for smooth and effortless drilling

Double-spiral flute design for efficient chip removal and smooth hole cutting

Fully ground and rust-resistant surface treatment to prevent chip accumulation

High durability with fire-forged high-speed steel and carbide tips for enhanced cutting efficiency

Suitable for a wide range of materials including iron, wood, copper, aluminum, granite, marble, ceramic tiles, glass, hardwood, softwood, and plastic

Compatible with 99% of drilling machines including electric drills, cordless drills, impact drills, bench drills, and magnetic drills

Recommended for use with drills above 24V lithium battery for optimal performance