Exploded Assembly: 4" 850W Angle Grinder
100% Copper Armature Rotor
High-purity electrolytic copper winding with laser-balanced armature shaft and precision commutator bars. Coated with double-layer epoxy varnish for high-temp resistance.
Complete Motor Rebuild Bundle
Includes: 1x Copper Armature + 2x Sealed Bearings + 1x Auto-Cutoff Carbon Brush Set + 1x High-Temp Gear Grease (50g).
Workshop Restoration