Price ER20 14 PCS Spring Collet Set 1/16"-1/2" CNC Super Precision 1/8 1/4 3/8 New

$31.24 $22.18

14PCS ER20 Spring Collet Set

Model: ER20


Material:Spring Steel

Ground roughness is Ra0.4 Microns, plus overall fine polish

Gripping Range: 1/16",3/32",1/8",5/32",3/16",7/32"1/4",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

Suitable For: Boring, milling, drilling, tapping, engraving, CNC, spindle machines, and other processing

T.I.R.: 0.0003" or 5um. In order to make all collets running true, on your side, make sure your machine spindle and chuck holder running true, on my side, I\'ll make sure all those collets running in tenth.


1.Durable and practical.

2.Special angled slots increase rigidity.

3.Protects tool holder from contaminants.

4.Better overall balance of tool holder assembly.

5.Use with any standard ER collet chucks for coolant-thru tool applications.

Package Included:

14 x ER20 Collets


Manual measuring, please allow 1 ~ 2 mm error,thank you.

  • Application: Boring Tool
  • Type: Power Tool Parts
  • Material: Carbide
  • Model Number: SKU00636

  • Unit Type: lot (14 pieces/lot)
  • Package Size: 15cm x 30cm x 20cm (5.91in x 11.81in x 7.87in)
  • Package Weight: 0.6kg (1.32lb.)