158575-4 supersedes older part numbers: 158306-1
Original Makita Tool Holder (part no. 158575-4) — complete nose assembly for SDS‑Plus rotary hammers. This genuine Makita replacement restores the front-end bit retention and smooth hammer action: it’s the complete tool‑holder assembly (sleeve/retaining components and drive interface) used on the Makita rotary‑hammer nose so your SDS‑Plus bits seat and release correctly.
Fits Makita HR2230 and HR2460 series — if your tool uses the SDS‑Plus system this holder is the correct front assembly to replace a worn or damaged nose. SDS‑Plus bits use a 10 mm shank, so the holder is sized for that interface.
Why this part matters: worn holders show up as bit wobble, bits that slip under load, or difficulty inserting/removing bits. Swapping in the original Makita 158575-4 returns secure bit retention, consistent hammer transfer and correct axial movement for impact drilling in masonry.
What you get: the ready‑to‑install tool‑holder complete (nose assembly) specified by Makita for the listed models — a direct, screw‑in/press‑fit swap that restores the tool’s front-end function without modifications.
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