Genuine Makita Tool Holder Complete — part no. 142973-2. Direct replacement front chuck assembly for Makita rotary hammers with an SDS‑Plus interface; it secures SDS‑Plus drill and chisel bits, restores firm bit retention and smooth push‑in/release action, and transfers impact energy accurately for drilling and light chiselling. The assembly includes a hardened steel core for strength, a hard‑wearing black outer sleeve and a rubber dust cover to protect the locking mechanism from debris and reduce wear during heavy use.
Key features
- Genuine Makita part (142973-2), listed as "Tool Holder Complete" in Makita exploded parts diagrams.
- SDS‑Plus bit interface (standard SDS‑Plus locking for quick bit changes).
- Hardened steel internal components with protective outer sleeve and rubber dust seal to reduce dirt ingress and wobble.
- Restores correct bit retention, alignment and impact transfer for safe, accurate operation.
Example Makita models shown using this part
- HR2630 (primary model listing for part 142973-2).
- Also appears on parts diagrams or parts lists for closely related Makita 26 mm rotary hammer models such as HR2600, HR2610, HR2300 and HR2650/HR2652 in Makita exploded views and parts references. (Confirm fit against your tool’s model number and exploded parts diagram before installation.)
Why this part helps
- If your rotary hammer is slipping bits, shows excessive bit play, or the locking sleeve/dust cover is torn or jammed, replacing the Tool Holder Complete (142973-2) restores the original locking action and alignment so your tool drills and chisels as intended.
Note: the part is listed on Makita exploded parts diagrams and parts listings under part no. 142973-2 as "Tool Holder Complete" for the HR2630 family. Ensure you match the part number to your tool’s model/parts diagram before fitting.
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