We have in stock a 1500mm 3-jaw self-centering chuck, with its pictures and dimensional drawing as below. This 1500mm 3-jaw self-centering chuck features large bore of 800mm diameter, short cylindrical back mounts for mounting onto machine's spindle. It is especially suitable for heavy-duty horizontal lathes, vertical turret lathes, deep-hole borers or other machines which calls for quick self-centering clampings on workpieces. 

This 1500mm 3-jaw self-centering chuck has below advantages which might be just what you focus on when sourcing for such a large self-centering chuck:

• high quality casting steel made chuck base, very rigid for holding heavy works;
• 2-piece reversible chuck jaws. We have standard chuck jaws with certain dimensions and shapes, but are always very open to requests for custom making any type of jaws called for special clamping jobs. We frequently make special jaws on purpose for clamping irregularly-shaped or extra large workpieces;
• its has short cylindrical type back mount which fits onto the lathe's spindle nose. Combined with a special adapating flange, this self-centering chuck can match with any types of spindle noses. A ring gear for low-speed driving can be fitted onto the chuck to exert high torque and low revolution speeds on the chuck;
• 3 grease nipples for lubricating the internal parts of this self-centering chuck;
• electromotor power wrench is available as an option to speed up the clamping.

Beside this 1500mm self-centering chuck, we always customized large self-centering chucks with any number of jaws in them. Independent bolt-on jaws on large self-centering chucks for extra heavy stuff holdings, 6-jaw or even more jaws for clamping think-wall workpieces preventing from any distortion caused by concentrated high clamping forces are all in our supply scopes.