5pcs ER16 -A collet nut for cnc engraving spindle motor / ER16 collet chuck CNC Clamping


5pcs -- ER16 A nut for ER16 Collet chuck

Material: 40CR

Useage: Collet nut Clamping

Machine type: Cnc engraving spindle motor


A type hexagonal shape for ER8A ER11A ER16A ER20

UM type is for ER25M ER32M ER40M

M type is for ER8M ER11M ER16M ER20M


Note: The collet nut must not be replaced, A-type and M-type are different in thread .

Shipping terms:

Our products are sold worldwide.

But if your country is more difficult to transport goods, please contact us in advance to confirm shipping cost.


We accept paypal credit, bank transfer, western union etc.

Payment must be made within 7days calendar days of the auction end time.

Problem and Feedback:

Please give us the opportunity to resolve any problem, we will try our best to help you.

Your satisfaction is very important for our store, so please contact us before you want to leave a negative feedback.

Thanks very much in advance .


If you are not satisfied with our package like the products is damage, please do not sign it and contact us immediately.

If it is possible, please take some photos or make a small video about it. It will help us to solve the problems.


We can produce the product according to our customer\'s design.

If you need something is very special, please contact us about it.

  • Application: Collet nut
  • Color: Black
  • Machine type: Milling & Engraving machine spindle
  • Model Number: ER16-A
  • Material : 40CR
  • Useage: Clamping

  • Package Size: 15cm x 10cm x 8cm (5.91in x 3.94in x 3.15in)
  • Unit Type: lot (5 pieces/lot)
  • Package Weight: 0.5kg (1.10lb.)