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HARFINGTON 21mm Drill Bit 1/2" Reduced Shank Round 4241 High Speed Steel Nitriding Black 118° Standard Point for Plastic Wood Copper Aluminum Iron Medium Soft Metal
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HARFINGTON 21mm Drill Bit 1/2" Reduced Shank Round Features
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SIZE: Cutting edge diameter: 21mm, shank diameter: 1/2", flute length: 77mm/3.03 inch, total length: 150mm/5.91 inch, package content: 1Pcs x Reduced Shank Drill Bit
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Material - The 4241 high-speed steel has improved toughness and provides hardness and wear resistance. It achieves a favorable balance between cost-effectiveness and practicality, it suitable for small equipment and light-duty machining. and the nitriding black finish enhances the drill bit's wear and corrosion resistance
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Feature - The 118° Standard Point tip angle is the traditional standard angle, enabling quick penetration into materials and broad applicability, making them the preferred choice for general metal and wood drilling, as well as common tasks like DIY, woodworking, and home repairs.
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Application - Suitable for soft metal and woodworking projects, widely used in daily operations such as home maintenance, suitable for processing medium hardness materials, such as thin stainless steel, copper, aluminum, iron, plastic, and wood
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Note - Ensure a 90-degree vertical angle is maintained between the drill and the material. When using a large drill bit, it’s best to start by drilling smaller holes. This makes it easier to create larger holes accurately
