Original Makita 233216-4 — a tightly wound compression spring (approximately 58 mm outer diameter) used as the lock‑sleeve / stopper spring inside the SDS‑Max rotary‑hammer assembly.
This genuine Makita replacement is listed in the HR5001C parts breakdown and is the correct spring for Makita HR5001C rotary hammer models.
Part specifics: Makita part number 233216-4, described as “compression spring 58” (d ≈ 58 mm) in Makita spare‑parts listings — the direct-fit spring that seats the lock sleeve and keeps the impact mechanism indexed.
A compact, low-cost genuine Makita component, it replaces worn or broken springs to restore proper lock‑sleeve action and alignment so your rotary hammer runs safely and reliably.
If you need the specific spring that fits the HR5001C, the original Makita 233216-4 is the listed part — a common entry in Makita spare lists for that model and function.
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