Plain Back, Recessed 3.740 ×. Comes with a semi-finished back plate (2-1/4 × 8 Threaded) exactly as our picture show. The mounting holes are already drilled and tapped.
Customer just need to use their own lathe to lightly surface the front surface and turn very little on the registration boss according to the actual recess of the chuck, then bolt the two parts together with the included bolts. This work just like assembly a 3-jaw chuck with a new back plate.As this final assembly work is done on your own, final use lathe, usually can reach the highest TIR accuracy. Can Use Any Size 5C Collet. 5C 5 Collet Lathe Chuck Closer With Semi-finished Adp. Scroll and Pinion Design just like 3-Jaw Chuck, Operated With Chuck Kay.
Scroll & Pinion Precision Machined and Hardened. 1× 5C Collet Chuck With Semi-finished Back Plate 2-1/4 × 8 Thread Mounting. We will try to answer most emails within 3 days. We are open Monday to Friday 8am to 5:30pm Pacific Standard Time, and Saturday 8am to12noon. Our friendly staff are available during these hours. We'll do our best to solve your problems.