There is the wire,water pipe,air pipe at the back of the spindle motor,

easy to operate.

The BT30 collect,should match toolholder by yourself.

The dimension is not polishing,but grinding.

Anyang SIPU machinery company main produce all kinds of spindle motors/spindles(belt driven),

Also produce the valve grinding machine.

is famous for his spindle motor/spindle high prcision and long lift time.

Their working device is the art of grinding machine to keep high accuracy of the spindle motor.

Welcome to our company

Warranty:

Whole spindle: 1 year

Bearing 6 months.

If not the quality problem, can not return.