Makita 264089-4 Spare Part - HEX LOCK NUT M6-10 EN4950H/51
264089-4 supersedes older part numbers: 264036-5
Original Makita hex lock nut — part 264089-4 — M6 thread sized for a 10 mm across‑flats wrench (listed as M6‑10 / EN4950H), a direct-fit replacement locking nut used in Makita hedge‑trimmer and couple‑shaft assemblies.
This metal hex lock nut is intended to resist loosening under vibration and secures rotating or driven shafts in the gearhead/attachment area; the M6 specification and 10 mm hex drive make it a simple swap for worn or damaged hardware.
Common example models and attachments that show 264089-4 in their parts breakdowns include EN4950H and related EN-series couple‑shaft hedge trimmer attachments (EN401MP, EN410MP, EN420MP), plus units like BUN490 and MH246.4DS. Keep this genuine Makita fastener with your Makita parts for quick, straightforward repairs.
Fit your model’s parts diagram to confirm location and orientation before installation; the item is sold individually.
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