Industrial Purpose Screw Type Holder ensures that in this device screw type clamping is normally used for +ve inserts having a hole is locked in the holder by a centre screw. The Screw Type Holder is ideally suited for boring tools, where spares should occupy minimum space. The Screw Type Holder is also suited for light medium machining. Industrial Purpose Screw Type Holder can be custom made in various sizes as per specific requirements.