7pcs 1-7mm ER11 Spring Chuck Collet Set For CNC Milling Lathe Engraving Machine

Description:  7pcs 1-7mm ER11 spring chuck collet set fits for CNC milling lathe engraving machine.     Specification:  Materials: Spring Steel.  Accuracy: 0.008mm.  Type: Machine Tool Accessories.  Applicable machine: CNC machine.  Type: ER11(7pcs,1mm-7mm) (1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm)    Application: Those collets are widely applied to drilling, boring, milling, tapping, carving and CNC router lathes, etc.     The correct method of mounting the collet nut:  1. Put the chuck into the pressure cap, gently turn the clamp spring, when eccentric portion of the pressure cap recessed clamp spring groove. Along the arrow direction and use equal force to push clamp spring, can mount pressure cap.  2. Put the clamp spring and cap all together installed on the chuck body or spindle. Insert into the clamping hole after wipe the cylindrical shank, use a wrench to tighten the pressure cap, until clip firmly the tool before use.  (Note: Avoid fastening pressure cap that not installed tool, to