Feature

●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.
●Big clamping force, wide clamping range, high accuracy.
●The correct methods of mounting the collet nut:
●Widely used in boring, milling, drilling, tapping, CNC, sculpture and other processing operations, also can be supported used with the holder of CNC tool.


Description

Description:
6pcs Spring Collets Set with C20 ER20A 100L Collet Chuck Holder CNC Milling 100mm Extension Rod Straight Shank
Collet Specification:
Model: ER20
Material: Spring Steel
<;0.015
Gripping Range: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32"
Upper Diameter: 28 mm
Bottom Diameter: 25 mm
Height: 34 mm
T.I.R.: 0.0003" or 5um.
Suitable For: Boring, milling, drilling, tapping, engraving, CNC, spindle machines, and other processing
Ground roughness is Ra0.4 Microns, plus overall fine polish.
Holder Specification:
Model: C20-ER20A-100L
Material: 40 chromium (40CR)
Hardness: HRC46-50
Accuracy: 0.01
Shank Diameter: 20mm
Clamping Range: 1-13mm
Length: 100mm
Feature:
1. Extension rod diameter and the other parts are precision ground to eliminate imbalances, increased stability
during cutting, tighten the nut directly, high rigidity, extremely powerful clamping force.
2. C20 shank holding all ER20A collets.
3. C20 20mm diameter straight extended shank,applicable for deep processing.
4. Extension rod diameter, and other parts have been precision ground to eliminate unbalanc and increase stability during cutting
5. The clamping nuts could be tighten straightly, high rigidity, strong clamping.
Package Included:
6 x ER20 Collets
1 x C20-ER20A-100L Chuck holder
More Details