Makita 252103-8 — Hex Lock Nut M5 x 0.8 (original Makita)

Description:
Replace a lost or damaged fastener with this original Makita hex lock nut (part no. 252103-8). It’s a self‑locking M5 nut (M5 × 0.8 pitch) in a compact hex form, made for repeated use where vibration or impact can loosen ordinary nuts. Use it to secure guards, housings, bases and accessory mounts — the clean hex profile fits a standard spanner or socket for quick installation.

Key details:
- Part: Makita 252103-8 — Hex. Lock Nut M5-8.
- Thread: M5 × 0.8 mm pitch.
- Function: Self-locking hex nut to resist loosening under vibration.
- Construction: durable steel fastener, hex head for wrench or socket fit.

Fits (example Makita models reported to use this part):
AN611, AN901 (nailers); LH1040 (mitre saw); DLM382 (lawn mower); 5621RD (circular saw); HS7600 (circular saw). Check your tool’s parts diagram to confirm the same part number before installing.

Delivered as a single genuine Makita locking nut — a small replacement that restores secure assembly and safe operation.

Browse our full range of Makita circular saw parts. Makita mower parts. Makita mitre saw parts.