CoCud Drill Bit, 8mm Cutting Diameter, 4241 HSS Nitriding Black 118° Cutting Angle Versatile Bits - (Applications: for Drilling Plastic Wood Soft Metal), 6-Pieces

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  • Drill Bit Size --- Cutting edge diameter 8mm; shank diameter 8mm; cutting edge length 77mm 3.03"; overall length 115mm 4.53", Included 6 Pieces x Drill Bit
  • PRACTICAL PERFORMANCE --- The drill bit strikes a perfect balance between cost-efficiency and performance, featuring excellent machinability for general-purpose applications in normal working conditions.
  • Useful Tips --- Ensure the drill bit is perpendicular to the workpiece surface tilting can cause breakage or hole deviation. For beginners Always verify proper speed and feed rates before formal workpiece machining.
  • 4241 High-Speed Steel (HSS) --- The 4241 high-speed steel (HSS) delivers optimal hardness and wear resistance. Featuring a nitriding black finish and 118 point angle design, it provides significant advantages in machining performance and tool life.

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