Manual 4-jaw lathe chuck
Stiefelmayer
Thanks to hand-lapped precision spindles and ground clamping jaws, the clamping jaws can be quickly shifted with little force exertion, another plus for the operator
Technical features:
* cast steel
* jaws hardened and ground
* manual lapping of precision spindles
* max. clearance: 0.03 mm to 0.05 mm (all diameters)
* plate diameters 400 mm to 1200 mm (bigger sized on demand)
* excellent planar run on jaw steps and face surface
Example with flanged chuck size 500 mm:
Planar run jaw steps 0.06 mm, planar run face surface 0.03 mm
