Size Conversion
Inches
Centimeters
Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.
Description:
14pcs Spring Collets Set with C20 ER20A 100L Collet Chuck Holder CNC Milling 100mm Extension Rod Straight Shank
Collet Specification:
Model: ER20
Material: Spring Steel
Precision: <0.015
Gripping Range: 1/8', 9/64', 11/64', 5/32', 3/16', 7/32', 15/65', 9/32', 5/16', 11/32', 3/8', 13/32', 7/16', 1/2'
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:
14 x ER20 Collets
1 x C20-ER20A-100L Chuck holder
More Details
