uxcell 3pcs Reduced Shank Twist Drill Bits 18mm Black Nitride & Gold Titanium Coated High Speed Steel 4341 with 10mm Shank for Stainless Steel Alloy Metal Plastic Wood

Specification:Cutting Edge Diameter: 18mm / 0.71"Shank Diameter: 10mm / 0.39"Cutting Edge Length: 61mm / 2.4"Shank Length: 55mm / 2.17"Total Length: 150mm / 6"Cutting Direction: Right HandMaterial: High Speed Steel 4341Finish: Black Nitride & Gold Titanium CoatedShank Type: Tri-flat ShankType: Milling ProcessPackage: 3 Pcs x Reduced Shank Twist Drill BitsDescription:1. High-speed steel straight shank drill bits are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.2. Reduced shank drills expand the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes.3. Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant than the regular black surface.4. Tri-flat on the shank of drills are constructed for tighter chucking maximizing security for precise holes.5. For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass and metal materials. Perfect tool for maintenance departments, machine shops, and other industries.

• Drill Bit Size: Cutting Edge Diameter: 18mm / 0.71"; Shank Diameter: 10mm / 0.39"; Cutting Edge Length: 61mm / 2.4"; Total Length: 150mm / 6"; Cutting Direction: Right Hand
• High Speed Steel Tool: The twist drill bits are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. High cutting edge strength, fast cutting speed.
• Reduced Shank: Reduced shank drill expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Sharp and spiral cutting edge provides neat and smooth cuts.
• Black & Gold Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Spiral groove facilitates the export of metal chip, saving time and effort in operation.
• 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. Tri-flat on the shank of drills are constructed for a tighter clamp, maximizing security for precise holes.