ER NUT How to install the collet nut ,Push
 on the bottom of the collet nut until the collet completely enters, and
 lines up with the nut.also the collet moves into the proper 
alignment,you will hear and feel a distinct click,indicating that the 
top of the collet safefy secured above the extractor ring. ER
 COLLET CHUCK NUT, ER 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.  
	 
ER NUT Features: 
ER NUT The special structure is for balance to make sure the status of circular uniform distribution 
ER NUT The collet chuck will not be loosened during machining, and please assemble and disassemble the chuck as the marked direction.…