Designed with two moving jaws for gripping square or rectangular parts, Model 870 Sliding-Jaw Air Chuck offers TIR of .0001. Drill tip stops on axial locator mounted to face of chuck, and Insert Pads mounted in subjaws clamp down on OD of each drill while they grind shank. Insert Pad and Subjaw arrangement allows for quick changeover from size to size.
This story is related to the following:Two & Three Jaw Chucks |