The jaws of the chuck are so designed to make turning of rings easy and productive, reasonable space for tool clearance is provided to do face and od turning in one setting, id and other face turning in the second setting or visa versa.
seco gold brj chuck is also available in 6 jaw configuration to avoid ovality while

Open centre (hollow) & close center (solid) wedge hook chucks :
seco power wedge hook chucks are designed to suit highly productive automates, capstans and cnc lathes. Its rugged design is complemented with precision. All wearing surfaces are hardened and precision ground and parts are made of ni, cr steel for longevity,

The top jaws are mounted on base jaws with allen bolts. It is possible to mount many top jaws on same base jaws to provide suitable and quick grip to a variety of jobs. The base jaws can also be mounted with soft jaws, in case of second operation, when higher repetitive grippingaccuracy is required. When soft jaws are used you

Scroll operated chuck with 2 sets of jaws (reverse and forward) is widely used in mass production.
salient features
Body :
c i body chucks : high tensile, wear resistant cast iron alloyed with nickle, chrome and manganese,
hardness180-210 bhn.