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The Koki Holdings America Ltd 316046780 is an industrial-grade carbon brush replacement set designed for high-capacity universal motors. This component maintains continuous electrical contact between the power source and the rotating armature, serving as a sacrificial wear item to protect the motor's internal components. It is engineered specifically for 120V large-frame angle grinders used in heavy-duty metalworking and masonry applications.
Features
Sacrificial Wear Design: Engineered with lower physical hardness than the armature commutator to prevent rotor assembly damage
Intermittent Function Correction: Restores power delivery in motors experiencing arcing or startup failure
Electric Braking Optimization: Carbon density configured for clean reverse-current flow required for rapid tool deceleration
Thermal Expansion Resistance: Formulated to withstand intense friction cycles and heat
Armature Defense: Isolates frictional heat to prevent localized pitting or terminal burning
