Makita 251448-1 — genuine Makita pan‑head screw, M5 × 18 mm, used as the chuck‑retaining screw on many Makita drills.
This is a pan‑head (P.H.) machine screw, 5 mm diameter by 18 mm length, fitted in the chuck assembly to secure the chuck to the spindle; the part is specified as a left‑hand threaded screw (to prevent the chuck from backing out during normal clockwise rotation).
Example compatible models include Makita drills such as 6010D/6010SD, 6012D/6012HD, 6015D, 6510LVR, 6070D–6073D series, 6093D, 6170D and some 8400 series models — check your tool’s parts list to confirm the 251448‑1 location before fitting.
If your chuck screw is lost, stripped, or corroded, this original Makita 251448‑1 restores the correct fit and thread direction so the chuck stays secure and the drill runs safely.
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