5" diameter 5C precision collet chuck. Scroll mechanism, key operated.

Accepts 5C collets, available metric 2mm-28mm x 1mm or imperial 1/6" - 1 1/32" x 1/32".

To mount a collet chuck to your lathe it is necessary to add a backplate. Machininhgthe back plate is best undertaken on your lathe to achieve maximum accuracy. Secure the back plate to the spindle. Skim across the face to ensure squareness, then machine a spigot to match the register of the collet chuck. It is necessary to measure the p.c.d. of the fixing holes in order to secure the chuck to the backplate.