Original Makita 410129-8 — nylon lock nut, metric thread M10, made to the same specification used on Makita routers and trim routers.
This is the nylon locking nut that secures assemblies on several Makita router models — examples include the 3612, 3612C and 3612BR series, as well as RP-series routers such as RP1110C and RP2301/2302 variants (also used on RP1800/RP1802 in parts breakdowns).
Supplied as the single nylon M10 nut listed in Makita parts diagrams, it replaces a worn or damaged lock nut to restore the tool’s original fastening function; made from durable nylon to provide the locking action against vibration while threading onto an M10 male thread.
Fits: routers and laminate-trimmer assemblies that call out Makita part number 410129-8 (check your model’s parts breakdown to confirm).
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