5Pcs ER20M Collet Nuts Tool Holders Collet Clamping Nuts CNC Miling Lathe Tool

Packing List: 5Pcs ER20M Nut (Order No.: T5101)

Feature: 

• Independent patent slot structure design, clamped and fixed by there protrusions. Accurate positioning, balanced structure, wide application range.
• Thread and 60° cone are processed one time to ensure coaxiality.
• Bottom circle marker design, install and remove collet chuck, intuitive and convenient
• Finishing after quenching thread and cone, one-time processing and forming, ensure assembly accuracy
• Automated production of the whole process, intelligent, mass production, high precision and stability
• Each product has a batch number,  easy to track
• Strictly control the quality, nut quadruple diameter run out detection, nut violence test, nut wear test, salt spray test.