6542 Hochgeschwindigkeitsstahl 3 mm Drehbohrer Bit 300 mm Länge Schwarzoxid
1. It is made of 6542 HSS (high speed steel) steel, which has good toughness and hardness, is not easy to break, and is easy to remove chips. Black oxide surface treatment, good rust resistance long durability.2. The spiral groove design can avoid the displacement of the drill bit during the working process, and at the same time, the debris can be removed more quickly and easily. Sharp cutting edges provide smooth cutting without burrs.3. The twist drill is suitable for electric drills, hand electric drills and impact electric drills. Suitable for drilling stainless steel, iron, copper, aluminum alloy, wood and plastic.4. To drill clean and accurate holes, water is required for lubrication and cooling during metal drilling, and the feed speed should be controlled. Keep cool and use gently, which will prolong the life of the drill bit.
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