❤ 10 pieces ❤ 4.4mm ⭐️ Free Shipping ⭐️ Please check the actual photos for the product condition! ⭐️ Various SHOP ★ We have many other items (*^^*) ↓↓↓ #tmgreen's products are here ✨ ☜ Material - 4341 High-Speed Steel contains a high carbon content and alloy elements, providing excellent cutting performance, high heat resistance, high hardness, wear resistance, and durability. Suitable for applications requiring precise and efficient machining. Features - Black nitride coating can improve hardness, increase wear resistance, and extend life. The nitride coating reduces friction during the drilling process, enabling smoother and faster drilling performance. Applications - Can drill clean and accurate holes in stainless steel, cast iron, carbon steel, aluminum alloys, copper, brass, wood, plastic, etc. Large spiral flutes facilitate the removal of metal chips, saving time and effort. However, it is not suitable for tiles, concrete, walls, or stone. ★ Set of 10 Joper # Drill Bits 4.4mm (13/75) Nitride Coating High-Speed Steel (HSS) 4241 Twist Drill # Tools # Screws 23-60.90310