APPLY TO - This drill bit is well-suited for low-intensity applications and DIY projects. It can handle a variety of materials, including common stainless steel, steel, aluminum alloy, copper, plastics, and wood, making it perfect for daily equipment maintenance and repairs.SPECIFICATION:-Cutting Edge Diameter: 4.2mm-Cutting Edge Length: 46mm / 1.81 inch-Total Length: 75mm / 2.95 inch-Split Point: 118°QUANTITY INCLUDED - Set contains 10pcs x 4.2mm drill bitsADVANTAGE - The 4341 high-speed steel material has high hardness, good wear resistance, and toughness, enabling it to withstand significant impact without easily breaking. Building on the black nitrided coating, the addition of a baked yellow treatment can further enhance the drill bit's wear and corrosion resistance, thereby extending its service life.
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