Genuine Makita Tool Retainer — part 331132-5. This original Makita spring-steel retainer clip is the replacement tool-holder that secures the working bit in the chuck of compatible Makita rotary/hammer tools (notably HM1200K and HR5000 / HR5000K), preventing bit movement and wobble during heavy drilling or chiselling.

Built to withstand jobsite impact work, the hardened spring‑steel construction restores correct bit retention, reduces wear on the tool holder, and helps maintain drilling and chiselling accuracy in concrete, stone and masonry. It’s a direct‑fit, straightforward replacement made to original Makita specifications and installation is simple with no modifications required.

For service and rebuilds this retainer is used with Makita service components such as spring 231281-7 and nut 252046-4 when rebuilding the retention assembly. The part is compact and lightweight (manufacturer listings show approx. 0.1 lb) and supplied as Makita part number 331132-5.

Keep your rotary hammer holding bits securely under load with this genuine Makita 331132-5 tool retainer.