BOSTAR 5C Collet Lathe Chuck Closer With Semi-finished Adp. 1-1/2" x 8 Thread

Description

BOSTAR
5C  Collet Chuck With Semi-finished Back Plate
1-1/2 x 8
Thread Mounting
Brand
New
Outside Diameter:
5″
Plain Back,
Recessed  3.740″ x .184″ Deep
3 Mounting hole on Chuck:  Diameter 0.35″, Bolt Patten 4.25″
3 Mounting screw hole on back plate:  M8 and already drilled and tapped
Comes with a semi-finished back plate (
1-1/2 x 8 Threaded
) exactly as our picture show . The mounting holes are already drilled and tapped.  C
ustomer 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 From 1/16 through 1-1/8″
Scroll and Pinion Design just like 3-Jaw Chuck , Operated With Chuck Kay.
Scroll & Pinion Precision Machined and Hardened
Accuracy: 0.0006 TIR
Max. RPM 6000
Any time
return policy
We also supply
free shipping 5C
collets set
on ebay.  Please look at it by click:
271591892435
Payment:
Paypal and all kinds of credit card
Return:
Upon receipt, if found defective, please contact us.  we will arrange the return or credit
Shipping:
Will ship out within 24 hours by UPS or USPS