- Spindle for ER-16 spindle micro mills
- Fits HiTorque 4660 and SIEG SX1 micro mills with ER-16 spindle
- Use with ER-16 collet nut
- Supports all ER-16 collets
Spindle for the ER-16 version of theSX1 HiTorque Micro Mill P/N 4660 and SIEG SX1 Micro Mills.The collet nut side has a thread of M22*15 and using a ER-16 collet P/N 5844 nut holds all ER-16 collets.








