CoCud Twist Drill Bits, 10.5mm Cutting Edge, Titanium & Nitride Coated High Speed Steel 4341 Round Shank - (Applications: for Stainless Steel Drilling Machine), 2-Pieces - cuf220627dd0023

• ★ Drill Bit Size --- Cutting edge diameter: 10.5mm / 0.41". shank diameter: 10.5mm / 0.41". cutting edge length: 88mm / 3.46". overall length: 140mm / 5.5". shank type: round shank ★ Wide Applications --- Widely used for drilling stainless steel, aluminum alloy, iron, copper, brass, hard wood, hard plastic, and other metal materials in maintenance departments, machine shops, and other industries. For use on drill presses and bench drills. ★ Dual Coatings --- The dual coatings of gold titanium and black nitride provides better lubricant application, smoother drilling, and is more durable and corrosion resistant than regular black surfaces. ★ High Speed Steel --- The straight shank drill is made of 4341 high-speed steel, with high hardness, good toughness, high strength, and high wear resistance. Sharp spiral flutes provide fast, neat and smooth cuts. ★ Useful Tips --- Choosing the correct lubricant is beneficial for cutting or cooling. Makes cutting easier, improves dimensional accuracy and extends tool life. Check various cutting conditions to ensure proper tool handling.