uxcell Straight Shank Twist Drill Bits 8.5mm High Speed Steel 4341 with 8.5mm Shank for Stainless Steel Alloy Metal Plastic Wood

Key features

• Features: Cutting Edge Diameter : 8.5mm / 0.33"; Shank Diameter : 8.5mm / 0.33"; Cutting Edge Length: 76mm / 3"; Total Length : 115mm / 0.59"; Cutting Direction: Right Hand
• 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, wood, plastic, and other metal materials. Suitable for hand drills, bench drills, etc. Clamping stable round shank design, not easy to shake, tight clamping without slipping