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Feature

Made of high grade specially formulated spring steel
Hardened and precision ground
Built in self-release design and tools will never get stuck in holder
Big clampingforce andwide clamping range, widely used in machining centers,general milling machines, CNC milling machine, engraving machine, high-speed machines, and other processing

Description

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 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 avoid damage the clamp spring)
3. Use a wrench to loosen the pressure cap and took out the chuck or tool, remove the tool. Along the direction of the arrow push out the clamp spring. Then according to need replace other clamp spring.

Specification:
Color/Style: ER20
Material: High Grade 65Mn spring steel
Total height: 31.5mm/1.24inch
Outer diameter(Max): 21mm/0.83inch
Run-Out Tolerance: <0.008mm
Gripping Range: 1MM to 13MM (1mm,2mm,3mm,4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm,13mm)
Fits metric shank size(s): For example,1mm Collet Fits 1mm metric shank,2mm Collet Fits 2mm metric shank

Package Includes:
1 Set(13pcs) x ER20 Collets