15mm reduced shank twist drill bit with 10mm round shank for stainless steel, aluminum alloy, metal, copper, plastic, wood, made of 4341 high-speed steel

High Durability: Made of tungsten steel for bending and fracture resistance, ensuring long-lasting use. The black and gold oxide finish enhances lubrication and corrosion resistance, improving the overall performance of the drill bits.

Wide Range of Use: Can be used in stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metallic materials.

Convenient Design: The reduced shank design increases the capacity of a portable drill chuck, and the spiral groove facilitates the export of metal chips, saving time and effort during operation.

Precise Drilling: The sharp, spiral edge provides clean, smooth cuts, helping you work more efficiently and eliminate burrs or scratches.

Cutting Edge Diameter: 15 mm; Shank Diameter: 10 mm; Cutting edge length: 85 mm; total length: 156 mm