[M Type Nut]

Specifications
Model Number: ER8, ER11, ER16, ER20, ER25 Tool Rod (Motor Shaft)
Accuracy: 0.001 - 0.003 mm
Material: 42CrMnTi
Outer Diameter:
C16: 5mm-8mm
C20: 6mm-14mm
C25: 0.3 - 0.6 inches (8 - 16 mm).
Features
Tail hole is 0.02mm smaller than actual hole. High frequency heating is required for 300° to 400° when assembled. The principle of thermal expansion and cold shrinkage allows the hole to be expanded. The spindle is placed in it, the top wire is locked and the knife sleeve is completely secured after cooling.
Example: Motor shaft 0.4 inch (10 mm), shank hole diameter 0.3 inch (9.98 mm), high frequency heating equipment is required.
This product is a normal design, you can install the chuck by following the following steps.
1. Insert the chuck into the nut from the smallest oval diameter side at an angle.
2. Press the zipper lightly to make sure the zipper is fully enclosed inside the ellipse.
3. Disassembly is the same step.
It is priority to attach the nut to prevent the chuck from falling out, and put it in the tool holder to tighten the nut.
The chuck is spring chuck, the tighter the tighter the clamping force.
If you have any questions, please contact us first. Thanks for your understanding.