Shining House - Metal Conical Drill Bit Step Drill Bit 5mm-35mm, Triangle Conical Titanium with Titanium Coating, for Screwdriver Drilling on Steel,

The store is for you! 【High quality】 Made of high-speed HSS steel with titanium coating to reduce friction and heat. 【Drill bits】 Step drill bits are mainly used for drilling wood and steel, including metals, aluminum, wood, plastics, etc. [Titanium alloy drill bit] Process holes of different diameters as needed, without changing the position of the drill bit and the hole, double cutting blade design, faster cutting speed, automatic deburring when drilling. 【Step drill bit design】 Professional high-speed steel step drill bit design can accurately drill holes of different sizes from 5mm to 35mm in diameter, with the best speed and accuracy. [Tool use] drilling, bench drill. Through water cooling work, the service life of the drill can be effectively extended. Product Description Features: Strong and stable Special titanium coating makes the surface hardness ratio of HSS step drills Traditional drilling height 600% Laser format The size is laser engraved into the metal, so it will not