What collet sizes come with the HF-500 spindle?

The HF-500 Spindle comes with 1/8" and 1/4" collets. It uses standard ER11 collets and you can get them in metric sizes as well. The 1/4" is the largest that they make for ER11 and 8mm is the largest metric size.

Question 2

How long do the brushes on my MM-1000 DI Spindle last?

Bobby Noble · Accepted Answer

On average you will see 125-150 hours of use on your MM-1000 DI spindle before you start to see signs that it is time to change them.

These signs can include:

sign 1
sign 2

You can order a replacement set from our website HERE.