= 0.00024 at collet face. Rear thread for pull stud is 5/8 - 11.
All critical tool holder surfaces precision ground and surface smoothing. Made from alloy structural steel hardened to HRC48 - 52 for long, durable service life. Balanced to G6.3 at 8000 RPM. Taper ground to high precision AT3 accuracy.
Collet Chuck accepts all ER20 collets. Attention Sellers - Get Templates Image Hosting, Scheduling at Auctiva.