CNC Accessories Tool Holder ER Collet Nut 

High speed high accuracy high durability ER-M Type nuts Brief introduction High Precision Accessories ER collet nut for ER type handle, the knife rod, extension rod nut.Selection of high quality spring steel, has a higher flexibility and service life.The clamping force, clamping range, high precision, used for boring, milling, drilling, tapping, grinding and engraving processing. ER collet all through high precision grinding, precision manufacturing line with the German DIN 6499 specifications. We also have many kinds of NUTS ,such as ,A type,GER type,MS type,UM type,M type ,KM type,NER type,and so on.The size of ER-M Type is ER8M,ER11M,ER16M,ER20M,ER25M Comprehensive features of ER nuts 1.Material:20CrMnTi. 2.Heat treatment and thermal aging treatment have improved the stability of accuracy and dimensions. 3.Thread and a slope of 30 degrees have once molding processed.The tolerance class of thread use 4H,accuracy detected one by one.…

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