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: 12.5mm-Cutting Edge Length: 100mm / 3.94 inch-Total Length: 150mm / 5.91 inch-Split Point: 118°QUANTITY INCLUDED - Set contains 1pcs x 12.5mm 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.
eBay