Thread File Gas/BSP Includes 28, 19, 14 & 11 TPI Internal & External 2150680 Countersinking / Counterboring screw holes

Countersinking / Counterboring screw holes for Countersunk screws acc

Overall length 55

safety standards conform to ansi/asme

Cutting length 5mm

Model # SI4120A Specifications

Thread File Gas/BSP Includes 28, 19, 14 & 11 TPI Internal & External 2150680 Countersinking / Counterboring screw holesThread Files are a hardened steel four sided bar with different thread pitches cut into the body and can be used for both external and internal threads. BSP Thread Files have a 55 thread angle and are suitable for repairing damaged British Standard Pipe threads. The depth of cut is self limiting making thread restoration quick and simple. TPI includes 28, 19, 14 & 11TPI