NACX 21mm Reduced Shank Cobalt Drill Bit, HSS 6542 High-Speed Steel Twist Drill Bits with 1/2” Shank for Metal Plastic Wood

Feature: Sharp and spiral cutting edge provides neat and smooth cuts. 118° split point design improves cutting speed while easy self-centering, prevent walking and skating across the workpiece surface. High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Wide application for drilling of stainless steel, die steel, I-steel, ordinary steel, Angle iron, rubber, plastic, aluminum, copper, wood, and other materials. Specification: Product Name: Reduced Shank Cobalt Drill Bit Material: High Carbon Steel Cutting Diameter: 21mm / 0.83” Drill Shank Diameter: 12.7 mm / 0.5” Flute Length: 57mm / 2.24” Overall Length: 150mm / 5.9” Shank Type: Round Shank Package Included: 1 Pcs x Reduced Shank Cobalt Drill Bit

• Materials: Made of high carbon steel, with good wear resistance, strength and toughness.
• Cutting Diameter: 21mm / 0.83”, Drill Shank Diameter: 12.7 mm / 0.5”, Flute Length: 57mm / 2.24”, Overall Length: 150mm / 5.9”. Shank Type: Round Shank.
• 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 drill expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes.
• Wide Application: Suitable for stainless steel, aluminum alloy, iron, copper, brass, wood, plastic, and other metal materials.