Fitment:

Size： 1/8, 3/16, 1/4"; 5/16"; 3/8"; 1/2"; 5/8"; 3/4", 7/8", 1", 1-1/16, 1-1/8".

Made of High Grade Carbon Steel
Accuracy: 0.0003" or 5um

Ground roughness is Ra0.4 Microns, plus overall fine polish
Running True at High Speed turning

For all R8, morse tapper, CAT BT CNC ER40 chuck or holder

Package Included:

12 × ER40 Collets Set

Description:

Highest After-Sales Guarantee

Low Cost,Highest Cost Performance

Brand New & High Quality Durable And Easy To Install

Note：

If You Are Uncertain About The Item,

Please Feel Free To Contact Us For Confirm.

Sorry For Any Inconvenience Caused.

Full Refund Guarantee If Does Not Fit.