10pcs ER32 20mm Spring Collet Collet Chuck for CNC Milling Lathe Tools

Description:  2-20mm Spring Collet Collet Chuck for CNC Milling Lathe Tools.     Specification:  Material: 20Mn.  Hardness: HRC56-60.  Taper degree: 16 degree.  Total height: 40mm.  Outer diameter(Max): 32mm.  Gripping Range: 20mm.  Quantity: 10pcs.     Features:  It is ER32 precision spring collet.  Widely used in boring, milling, drilling, tapping, CNC, sculpture and other processing operations, also can be supported used with the holder of CNC tool.  Big clamping force, wide clamping range, high accuracy.     The correct methods 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. 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 fi