Companion Angle grinder Parts — Browse All Models

Top replacement parts for Companion angle grinders

• Gear case needle bearing. The gear case needle bearing attaches in the gear case and allows the output gear to spin smoothly.
• Lock button spring. The lock button spring applies tension to the lock button when the lock button is pushed and raises the lock button when the grinder is unlocked.
• Carbon motor brushes. The carbon motor brushes transfer electric current to the spinning armature in the motor.
• Motor rotor. The drive motor rotor spins to rotate the motor shaft.

How to install a sanding disc on your Companion angle grinder

• Be sure that the angle grinder is unplugged and that it's cool to the touch.
• Push the hub of the disc nut through the center of the sanding disc.
• Position the backing disc behind the sanding disc and push the disc nut through the backing disc.
• Push the assembled discs on the spindle and thread the disc nut onto the disc nut hub.
• Tighten the disc nut completely down on the spindle.
• Engage the locking pin to lock the spindle in place.