The Makita 233979-2 Ring Spring 28 is a genuine OEM spare part designed to restore correct tension within the internal mechanism of compatible Makita rotary hammer drills, including the BHR242 and BHR243. Manufactured from high-tensile spring steel, this component is built to resist fatigue and deformation under the sustained loads typical of professional hammer drill use. As an exact-fit replacement, it meets Makita's original build standard, ensuring the tool continues to operate smoothly and efficiently once the part is installed. If your rotary hammer is displaying inconsistent hammering action or reduced performance following heavy use, a worn or broken ring spring is a common cause. Replacing this component is a straightforward, cost-effective service step that helps extend tool life by keeping internal components correctly preloaded — avoiding more extensive and costly repairs down the line. Supplied under Makita Manufacturer Part Number (MPN) 233979-2, this part is suitable for professional servicing and competent DIY repair alike. Refer to the Makita service manual for correct fitting procedure. Features and Benefits: • Genuine Makita OEM part — assured fit and compatibility with specified models • High-tensile spring-steel construction resists fatigue and deformation during heavy use • Direct replacement for worn or broken ring springs to restore smooth hammer drill operation • Maintains correct internal tension without altering the tool's performance characteristics • Compatible with Makita BHR242 and BHR243 rotary hammer drills • Supplied under MPN 233979-2 for accurate identification and ordering • Helps extend tool life by keeping internal components correctly preloaded
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