Size ConversionInchesCentimetersPlease 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 withC20 ER20A 100L Collet Chuck Holder CNC Milling 100
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 withC20 ER20A 100L Collet Chuck Holder CNC Milling 100mm Extension Rod Straight ShankCollet Specification:Model: ER20Material: Spring SteelPrecision: <0.015Gripping 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 mmBottom Diameter: 25 mmHeight: 34 mmT.I.R.: 0.0003' or 5um.Suitable For: Boring, milling, drilling, tapping, engraving, CNC, spindle machines, and other processingGround roughness is Ra0.4 Microns, plus overall fine polish.
Holder Specification:Model: C20-ER20A-100LMaterial: 40 chromium (40CR)Hardness: HRC46-50Accuracy: 0.01Shank Diameter: 20mm
Clamping Range: 1-13mmLength: 100mmFeature:1. Extension rod diameter and the other parts are precision ground to eliminate imbalances, increased stabilityduring 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 cutting5. The clamping nuts could be tighten straightly, high rigidity, strong clamping.
Package Included:14 x ER20 Collets1 x C20-ER20A-100L Chuck holder
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