Spindle Lock, Interlocked, HiTorque Mini MillMade in United States

Spindle Lock, Interlocked, HiTorque Mini Mill
  • Makes tool changes easier, faster, and safer
  • When engaged, the plunger automatically drops into the locking hole as the spindle is rotated
  • An electro-magnetic interlock disables power to the motor when the spring plunger is engaged
  • Frees both hands for changing tools
  • Loosen and tighten keyless chucks with one hand
Part Number: 4762
Weight: 1.00 lb

Price: $156.00

In stock
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The spindle brake provides a semi-automatic method of locking the spindle freeing both hands to complete a tool change. A safety switch disables power to the motor when the spring plunger is engaged.

Fits SIEG SX2 mills

Chris Chris' Tips
Here are the installation instructions.

  • Integral Safety Switch and hand-retractable Spring Plunger
  • Approximate dimensions: 4 x 3.5 x .75"
  • The Spindle Brake Plate is made of 6061-T6511 Aluminum
  • Made to exacting specifications in precision machining center
  • Made in the USA


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

  •   Micro-Mark 84630 MicroLux Mini Mill
  • 3900 HiTorque Mini Mill
  •   SIEG SX2L Mini Mill
  • 3960 HiTorque Mini Mill
  • 3990 HiTorque Mini Mill
  • 4190 HiTorque Mini Mill
  • 6450 HiTorque Mini Mill
  •   SIEG SX2LF Mini Mill