2PCS ER A / M / UM Type Collet Clamping Nut For Milling Collet Chuck Holder Lathe Sliver

Description: ER- A M Type Nut Collet Clamping Nut for Milling Chuck Holder Lathe Tool Specifications: Material: 45H Carbon Steel Surface Treatment: Black Oxide

Size 1 2 3 4 5 6 7 8 Type ER8A ER8M ER11A ER11M ER16A ER16M ER20A ER20M Size(approx) 1.2*1.3cm 1.2*1.1cm 1.4*1.8cm 1.2*1.6cm 1.9*2.2cm 1.4*2.8 2.2*3.3cm 2*2.8cm Features: A/M type nut for ER Collet milling chuck holder Hardened and precision ground. Eccentric retainer for collet auto-Release. Notice: The Collet Nut can not be replace, A type and M type is not the same.

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