Description:

Features: Bit Diameter : 6.2mm / 0.24", 6.3mm / 0.25"; Flute Length: 59mm / 2.32", 55mm / 2.17"; Shank Diameter : 6.2mm / 0.24", 6.3mm / 0.25"; Total Length : 90mm / 3.54", 95mm / 3.74". High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Sharp Spiral Flutes: Provide neat and smooth cuts. High cutting edge strength, fast cutting speed. Spiral groove facilitates the export of metal chip, saving time and effort in operation.. Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass and metal materials.