Products for bench top machinists | LittleMachineShop.com

Knob, Potentiometer, HiTorque Bench Mill

Knob, Potentiometer, HiTorque Bench Mill - Main image
$13.17 $19.95 In stock

This knob is the speed control potentiometer knob for the HiTorque bench mills and SIEG SX2.7 bench mills. It is designed to fit the original equipment, providing a direct replacement for the factory knob on these machines.

  • Replacement potentiometer knob for HiTorque bench mills and SIEG SX2.7 bench mills.
  • Compatible with the speed control assembly on these specific mill models.
  • Manufactured by Sieg Industrial Group, the original equipment supplier.
  • Simple, functional design for bench top machinist use.
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Miles ★★★★★

Finally, a knob that actually stays tight on the shaft instead of slipping like the old one. The set screw design gives a much more secure grip, making speed adjustments precise and reliable during operation.

Madison A. ★★★★★

The replacement knob fits my HiTorque bench mill perfectly, and the spline alignment with the shaft was spot-on from the first press. It’s a solid, snug grip that doesn’t wobble during speed adjustments, so I’m glad I didn’t have to fuss with epoxy or set screws.

Chloe X. ★★★★★

Had to replace the original speed knob after a small mishap, and this one slides right onto the shaft with a snug, secure fit. It's got that same ribbed texture for a good grip, and now I can dial in the RPMs precisely again.