ER11 Collet Chuck, Motor Shaft Spindle Extension Rod Adapter Inner 8mm/0.31“ for CNC Milling
Brand: Hilitand
Description:
This collet is made of high quality steel for milling lathe tool and work-holding engraving machine. ER straight rod type collet extension handle body is relatively long, suitable for deep hole processing. The nut can be directly tightened to provide a powerful clamping force. This collet can reduce costs, improve efficiency and would be a good replacement part for your old one.

Specifications:
Type: ER11A-8mm
Material: Steel
Height: 40mm / 1.57"
Shaft Diameter: 16mm / 0.63"
Shaft Inner Diameter: 8mm(±0.02mm) / 0.31"
Nut Diameter: 19mm / 7.48"
Nut Inner Diameter: 9mm / 3.54"

Package Includes:
1 x Collet

Note:
Please allow 1-2mm error due to manual measurement. Thanks for your understanding.
HIGH QUALITY: This motor shaft collet is made of high quality steel , shank with clamping nut to be tightened.
SAFE: Extension rod diameter and the other parts are precision ground to eliminate unbalance, increase safety during cutting.
PERFECT FOR DEEP PROCESSING: Straight extended shank fits for deep processing, meeting the needs of extending the depth of processing.
WELL PACKED: This ER11 collet is well packed in a protective container with label for safe transportation and convenient storage.
WIDELY USED: ER11 8mm extension rod holder is widely used in boring, milling, drilling, tapping, grinding and other processing. Great replacement for you.