Primarily designed for removing broken taps or bolts without damaging the component surface, by drilling the core of a tap it is possible to remove the remaining pieces with a scriber. Screw Drills are also suitable for drilling other hard materials including: hardened steels, glass, stellite etc. Select screw drill as per tap diameter. Steady manual feed component and spindle stability are vital. Features and Benefits Solid carbide construction for increased hardness Designed for removing broken taps or bolts without damaging the component surface Suitable for drilling hard materials including: hardened steels, glass, stellite etc. No cutting fluid required Notes Drills should be running between 1500 and 3500 revs/min A steady and continuous manual feed should be applied