Genuine Makita 323912-3 — Tool holder (tool barrel) for the Makita HR3000C rotary hammer. This direct-replacement tool holder secures the impact bolt and driving sleeve and is the correct original part shown in the HR3000C parts breakdown.
Designed for SDS‑Plus operation (accepts SDS‑Plus shanks — nominal 10 mm shank interface) and matched to the HR3000C’s 30 mm drilling class, it fits the bit retention and sealing components shown in the assembly (pins, O‑rings and impact bolt interface).
If the tool holder on your HR3000C is scored, worn or has a damaged retention surface that lets bits wobble or slip, replacing it with this original Makita tool holder restores correct bit engagement and alignment. Makita parts are listed under part number 323912-3 for the HR3000C.
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