Self-tightening chuck SPS

ISOMorse taperkeyless

Maximum total integrated run-out of 0,04 mm (.0016”). Arbor integrated in internal socket of drill chuck; compact design. No possibility of taper slipping from drill chuck. Greater rigidity and precision. Self-tightening feature automatically increases gripping force in proportion to increased torque to prevent tool shank slippage. For right-hand rotation applications only. Furnished with milled wrench flats and spanner wrench to allow application of supplementary gripping torque. Light tightening increases gripping torque up to 3 times higher than hand tightening. Resistance to tool loosening on high-speed machines with instant spindle stop