Machifit 14pcs ER20 Spring Collet Set 1/8-1/2 Inch Chuck Collet for CNC Milling Lathe Tool

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 Spring Collets Set For CNC Engraving Milling Lathe Tool

 

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.

 

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.

 

14 x ER20 Collets