Precision Machining for CNC Turning Parts

Jinjie Machinery, is a manufacturer for Collet Chuck, CNC Tool Holder, Collets and so on. What's more, we can provide Precision Machining as per customers' samples and drawings. OEM service is available.

If any question about us, please feel free to Contact Us.

About Our Company Wesites

Now we have a new website http://www.bright-tools.com/, for the old one http://www.jinjie-machinery.com/, we have also renew it.


Hope you can enjoy your visit there.

Jinjie Products_____ On-line Catalogue

Please check what we are mainly deal with here: http://www.jinjie-machinery.com/en/on-line_catalogue.asp

Jinjie Machinery

Jinjie Machinery

ER Collet, Nut and Spanner

ER collets are manufactured as per DIN 6499. The accuracies of collets are as per DIN 6499. ER collets are most widely used collets for tool holding in all the types of machine tools & are the most widely used system all over the globe.
These Collets are provided with the groove on the collets to engage itself in the collet chuck nut. It is the specialty of ER collets. In ER Collet Chucks, the collet is always fixed in the nut and then the nut is screwed on to the collet chuck.
ER collet nuts are always provided with an eccentric groove to fix the collet in to the nut. Special care is to be taken while fixing or removing the collet into/from the nut.
ER collets are available from very small size ER8 to ER 50. Special spanners are also required to clamp the nuts on to the collet chucks.

ER Collet, Milling Chuck, Collet Chuck

ER collets are manufactured as per DIN 6499. The accuracies of collets are as per DIN 6499. ER collets are most widely used collets for tool holding in all the types of machine tools & are the most widely used system all over the globe.

These Collets are provided with the groove on the collets to engage itself in the collet chuck nut. It is the specialty of ER collets. In ER Collet Chucks, the collet is always fixed in the nut and then the nut is screwed on to the collet chuck.