LEPEVNEY 12mm Reduced Shank Twist Drill Bit with 10mm Shank for Stainless Steel Aluminum Alloy Metal Copper Wood Plastic Made of High Speed Steel 4341

• High Durability: Made of tungsten steel material for anti-bending and anti-fracture durability, ensuring long-lasting use. Black & 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 metal materials.
• Convenient Design: The reduced shank design expands the capacity of a portable drill chuck and the spiral groove facilitates the export of metal chip, saving time and effort in operation.
• Precise Drilling: Sharp and spiral cutting edge provides neat and smooth cuts, helping you work more efficiently and get rid of glitches or scrap.
• Cutting Edge Diameter : 12mm; Shank Diameter : 10mm / 0.39"; Cutting Edge Length: 85mm / 3.35"; Total Length : 156mm / 6.14"

LEPEVNEY Reduced Shank Twist Drill Bits for Stainless Steel Alloy Metal Plastic Wood, Ideal for Drilling Steel, Copper, Aluminum Alloy Made of High Speed Steel 4341; Suitable for use in stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials; Suitable for hand drills, bench drills, etc.; Tri-flat on the shank of drills are constructed for tighter chucking maximizing security for precise holes.