Description
Overview:
The Tool Retainer Shaft (MPN 324238-6) is a genuine Makita OEM component used in heavy-duty hammer drills to hold the working tool securely in the holder assembly. Made from robust, machined metal for strength and wear resistance, it helps keep chisels and bits locked in place during demanding breaking and demolition work. This shaft is purpose-built for Makita demolition hammer drills, offering the correct geometry and fit for reliable performance. It is ideal for restoring secure tool retention if your drill shows signs of tool wobble or unintentional release. Designed for direct replacement, it suits professional users and DIY maintenance alike. Compatible with models such as HM1800 and HM1810, it helps maintain safety, consistency, and the original performance of your Makita equipment.
Key Features:
- Genuine Makita OEM part for assured compatibility and quality
- Durable metal construction to withstand impact and repeated loading
- Precisely machined for a snug, secure fit within the tool holder
- Helps prevent tool slippage, reducing downtime and wear on mating parts
- Restores original retention performance and drilling accuracy
- Straightforward replacement during routine maintenance
- Suited to high-impact demolition and concrete-breaking tasks
- Supports long service life when used and maintained correctly
Typical Applications:
Used in Makita demolition hammer drills to retain chisels, points, and other bits during concrete breaking, masonry removal, channel cutting, and surface preparation. Ideal for workshop overhauls or in-field repairs where maintaining firm tool retention is critical for safety and consistent results on construction sites, facilities maintenance, and hire fleet servicing.
Also known as:
Chisel retainer, locking shaft, bit holder shaft, tool clamp pin, holder spindle, tool locking pin, retention shaft, tool-holding spindle. These terms refer to the internal shaft component that secures and locks the working bit within the tool holder of a demolition hammer.
Fits Models:
HM1317CB, HM1800, HM1810
Alternate Part Numbers:
3242386
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