Feature(may vary by option.)

●Premium Quality : These spring collets are made of high quality Alloy Steel, stable and practical in performance.
●Model : ER20 Spring Collet; 3/8 inch Clamping Diameter; Package Content : 3 x Spring Collet Chuck
●Precision : 0.015mm / 0.0006-inch; collet surfaces are precision ground for an exact fit, enhanced clamping force and good resilience.
●Easy to Differentiate : Each collet is individually labeled and packaged, making it easy to quickly differentiate between them. This ensures hassle-free access to the right tool for the job.
●Practical Helper : ER20 collet is suitable for boring, milling, drilling, tapping, engraving, CNC, spindle machines, and other processing

[3pcs ER20 3 & 8 ]

[3pcs ER20 1 & 8 ]

[3pcs ER32 5 & 16 ]

[3pcs ER32 3 & 4 ]

Description

PENCK spring collets are made of high quality alloy steel for CNC milling lathe tool and work-holding engraving machine.
Collet must be placed into collet chuck nut before inserting into collet chuck.
Each collet is marked clearly so you can easily distinguish them.

Specifications:
Material: 40cr Steel
Model: ER20
Hole Diameter : 3/8 Height: 31.5mm
Outside diameter: 21mm
Run-Out Tolerance: 0.03mm

Package Includes:
3 x CNC ER25 Router Collet