SPS R-8

Super Precision Keyless Drill Chuck with Integrated Shank (Morse taper, straight shank or R-8)

• Arbor integrated in internal socket of drill chuck; compact design.  No possibility of taper slipping from drill chuck.
• Greater rigidity and precision.
• Maximum total integrated run-out of 0,04 mm.
• 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.