METALLIXITY Drill Bit (8.5mm) 10Pcs, 4241 High-Speed Steel Straight Shank Nitriding Black 118° for Wood Plastic Iron Copper Aluminum Low Soft Metal

[1]: APPLY TO - The drill bit is suitable for daily equipment maintenance and repair, low-intensity applications, and medium to low-hardness metals, including aluminum alloy, and copper. It is also effective for drilling wood and plastic materials, making it an excellent choice for various DIY projects around the home.

[2]: SPECIFICATION - The drill bit has a cutting diameter of 8.5mm, a shank diameter of 8.5mm, a flute length of 79mm/3.11 inches, an overall length of 116mm/4.57 inches, and a 118-degree standard point.

[3]: INSTRUCTION - Set the suitable speed according to the material's hardness and the drill bit diameter. Higher speeds can be used for softer materials, while lower speeds should be applied for harder materials. Please refer to the details provided on the product page.

[4]: ADVANTAGE - The 4241 HSS material drill bit offers high hardness and wear resistance. The nitriding black coating can enhance the wear resistance and corrosion resistance, extending the drill bit's lifespan. The 118-degree standard point tip allows for faster feed rates and improved processing efficiency.

[5]: QUANTITY INCLUDED - Set contains 10pcs x 8.5mm twist drill bits, perfect for home use, repairs, and small manufacturing projects. When it is difficult to drill a large hole, you can first drill a small guide hole.