Supermotorparts New 14Pcs ER20 Spring Collet Set 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" For CNC Milling Lathe Tool Engraving Machines
Brand: Supermotorparts
Description:
Suitable For: Boring, milling, drilling, tapping, engraving, CNC, spindle machines, and other processing
14 x ER20 Spring Collets
14PCS ER20 Spring Collet Set： Model: ER20
Precision:<0.015
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
T.I.R.: 0.0003" or 5um.

Features:
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.
Note:
Manual measuring, please allow 1 ~ 2 cm error,thank you.
Suitable For: Boring, milling, drilling, tapping, engraving, CNC, spindle machines, and other processing
Package Include:14 x ER20 Spring Collets
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，T.I.R.: 0.0003" or 5um.
Shipped from China with Safety Transportation, Arrival within 10-15 Business Days.