Makita 213431-6 — Fluoride Ring (28 mm) — Genuine Makita replacement sealing ring designed for Makita demolition hammers. This compact 28 mm fluoride ring sits in the tool‑holder/barrel assembly next to the impact bolt and O‑rings to keep the striker and cylinder sealed and running smoothly — one of the small but important power tool parts you may need when servicing a hammer. Common example models that use part 213431-6 include HM1202C, HM1213C , HM0871C , HR5001C / HR4510C, so it’s a direct fit where the parts breakdown lists “FLUORIDE RING 28” under the tool‑holder/impact bolt area. Order the original Makita part 213431-6 to restore proper sealing and eliminate play or leakage in the tool holder assembly.
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