【Material】- The spiral milling cutter is made of high speed steel that is construction provides ultimate durability. Heat Treatment can increase the hardness and corrosion resistant of twist drill bit.
【Design】-The split point tip and twist design increases cutting speed while easy self centering prevents walking. Say bye to all those chips and particles, with the twist design the drill bit can quickly clears them out, and leaves a clean, smooth hole.
【Wide Application】- Compact size, useful for electronic mounting, tools, model making, winding, home improvement and hobby. Perfect for drilling a hole in wood, plastic, rubber, model and other materials, jewelry, plastic, and many other DIY projects.
【Note】-To make clean and precise holes, water is required for lubrication and cooling when drilling metals. Increased use of water lubrication will extend drill bit life.