These chuck feature jaws that are individually adjustable, to allow firm gripping of irregular shaped work and the four jaws allow a square component to be perfectly centred to the chuck while achieving maximum gripping force.
Body : High quality cast iron.
Jaws : Made of high quality carbon steel, hardened.
Thrust Bearing : Case hardened steel
Operating screws : Case hardened steel.
Bore = 80mm
Recess = 175mm
Mounting = 4 x M16 on 133.4mm P.C.D.
Suppied with one set of hard reversible jaws, chuck key and mounting screws.
Part Number 7-820-315 4304-315