7pcs Steel ER11 Spring Collet 1/2/3/4/5/6/7mm with 5mm ER11A Extension Rod Motor Shaft Holder

ER11 Collets:
Brand new
Material: steel
Color: silver+black
Total height: approx. 18mm
Outer diameter (max): approx. 11.5mm
Gripping range: 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm
Built in self-Release design and tools will never get stuck in holder.
Use with any standard ER collet chucks for coolant-thru tool applications.
Each collet is well packed in separate protective container with label.
Hardened and precision ground.
Performance stability, high accuracy.
Durable in use.
Widely used, boring, milling, drilling, silk attack, sculpture, CNC, and other processing.
ER11A 5mm Extension Rod:
Brand new
Height: approx. 40mm (when the lock nut)
Shaft Hole: 5mm (-0.02 mm) the need to install heating expansion
ER11A Nut: Outside hexagonal nut 19 mm maximum overall diamete
High strength and hardness.
Package included:
1 x ER11A 5mm Extension Rod
7 x ER11 Collets
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.