Original Makita roller — part no. 322908-1 (listed in Makita parts diagrams as "ROLLER 8") — a precision replacement component used inside the tool‑holder assembly of Makita SDS‑max demolition/hammer drills.
This original Makita roller is designed to reduce friction and guide the tool/bit within the tool holder and is a common Makita parts item when servicing or replacing the tool‑holder assembly.
Example models that use this part include HM1100C (and Type‑2/Type‑3 variants), HM1202C, HR4000C, HR4500C and HR5001C — check your machine’s parts diagram to confirm item number and fit.
Sold individually and referenced as item 4 in Makita’s HM1100C parts breakdown, the roller is a small, precision‑made spare intended for direct replacement in the tool‑holder—match the part number 322908‑1 to your parts list before installing.
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