Top Positive Review for Holder on Banggood USA|Shopping USA

19% OFF Drillpro 7Pcs ER11 1-7mm Spring Collets with ER11A 5mm Motor Shaft Holder Extension Rod US$20.99 US$25.99 View It

Overall:

György 05/07/2018

chuck is waste !!!!! inside is a werge, therefore spring collet no placed inside !!!!!!! Shaft ( spindle motor ) diameter 5mm , chuck bore, only 4,5mm !!! I am very angry because i can not use it !!!

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realblades Learnto use ER collets. The eccentric flange inside is the ejector. You slip the collet into the nut so the eccentric part catches the groove in the collet. Then fit the whole assembly into the holder and tighten. When you loosen the nut, the eccentric flange is what pulls the collet out of the taper so you don't need to hit it from the backside like a Morse or R8 and other drawbar collets. That's the E_nhanced feature of ER and ESX collets.
Reply 06/08/2019

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