Step Drill Bit MultiPurpose Pagoda High Speed Steel Reaming Taper Drilling Tools(4mm~32mm )

1、A multi-purpose one can drill holes of different diameters open and ream deburring and precise drilling. 2、The X-shaped opening design is adopted which effectively reduces the slip of the drill bit and has good performance. 3、The drill bit adopts laser scale the diameter is clear at a glance very practically. 4、Wide range of uses suitable for drilling wood stainless steel plastic plates copper plates aluminum plates etc. 5、Using high speed steel materials strong and durable has a long service life.