Carbon Brush Suit for Hitachi CM-4 is crafted from graphite carbon material that ensures excellent conductivity and durability under motor load. These brushes are designed to match the dimensional needs of 4″ and 5″ marble cutters and similar tools like CM-4 models, providing dependable electrical contact to the commutator. Because universal motors rely on brushes to transmit current, replacing worn carbon brushes restores performance, minimizes sparking, and helps extend the overall life of the machine.
This replacement brush is engineered to withstand the rigors of high-speed motor operation typically found in compact marble cutters like the CM-4. Its graphite composition ensures excellent electrical conductivity, heat resistance, and predictable wear patterns, which are essential for maintaining power transfer and limiting commutator damage.

Part No. – 999-043.
Size – 18 x 11 x 7 mm.
Application – Used For 4″In Marble Cutter.

Key Features –

High-Quality Carbon/Graphite Material – Made from carbon/graphite composites that provide good conductivity and thermal tolerance, helping reduce electrical resistance and maintain performance under load.
Wear-Resistant Design – Designed as consumable wear parts with materials that resist abrasion against the commutator, offering longer service life and fewer replacements.
Self-Lubricating Properties – Many carbon brushes possess inherent self-lubricating qualities, which help reduce friction and wear between the brush and commutator surface, improving overall motor longevity.
Compatible With Various Models – Brushes for CM-4 tools are often compatible across similar Hitachi/HiKOKI cutter models, simplifying spare part inventory and replacements.

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