Pulleys, High Speed Spindle, HiTorque Mini Mill

Fits HiTorque mini mills
5000 rpm top speed
Includes two pulleys

Part Number: 4152
Weight: 0.38 lb

Price: $59.95

This product is currently backordered.

Estimated availability:
16-Aug-2021
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Description

These pulleys change the spindle speed range to 5000 rpm max.

The increased speed is great for small cutters such as those used for engraving. Just remember that doubling the speed will cut the torque in half.

This high speed spindle kit uses the same belt as the standard drive pulleys.

We do not have installation instructions completed yet, so you are on your own for installation.

Switching pulleys to the original set shouldn't take more than 20 minutes.

Chris' Tips

Chris' Tips
If your machine is not a LittleMachineShop.com HiTorque mini mill you need to get the High Speed Spindle Kit that includes replacement bearings. The factory bearings are not rated for 5000 RPM.

The LittleMachineShop.com HiTorque Mini Mills have genuine NSK bearings that are rated for well over 5000 RPM.

Compatibility

Compatibility

This product works with the following mills. (If your machine is not on this list, we cannot verify compatibility.)

LittleMachineShop.com 3900 HiTorque Mini Mill
SIEG SX2L Mini Mill
LittleMachineShop.com 3960 HiTorque Mini Mill
LittleMachineShop.com 3990 HiTorque Mini Mill
LittleMachineShop.com 4190 HiTorque Mini Mill
SIEG SX2LF Mini Mill