Description
Overview:
The Ring Spring (MPN 231985-1) is a genuine Makita replacement for selected demolition hammers. Made from hardened spring steel, it maintains the correct preload and return action within the hammer's impact mechanism, helping to deliver consistent blows and smooth operation. By replacing a worn, fatigued, or broken spring, it restores performance and reduces the risk of further component wear. This part is designed for heavy-duty percussive use and is suitable for professional and DIY maintenance. It is engineered to fit specific Makita demolition hammers, including the HM1214C and HR5001C, ensuring the right dimensions and tension for reliable service. A direct-fit component, it supports proper impact energy transfer, dependable starting, and sustained durability under high-frequency hammering.
Key Features:
- Genuine Makita part (MPN 231985-1) for assured fit and function
- High-tensile spring steel construction for fatigue and wear resistance
- Maintains correct preload in the impact mechanism to sustain striking power
- Precision-formed ring profile for consistent seating and stability
- Helps restore performance when impact force or rebound has diminished
- Suitable for heavy, repetitive hammering in construction and renovation work
- Straightforward replacement using standard workshop tools
- Supports preventative maintenance to reduce downtime and avoid secondary damage
Typical Applications:
Used during servicing or repair of demolition hammers when the original spring shows signs of fatigue, loss of tension, or breakage. Common in tasks such as concrete breaking, chasing, surface preparation, and demolition on site or at home. Suitable for tool rooms, contractors, facilities maintenance, and hire fleet refurbishment.
Also known as:
Retaining spring ring, impact return spring, striker return spring, percussion mechanism spring, hammer drive spring, preload spring, impact system spring, retention spring.
Fits Models:
HK1820, HK1820L, HM1214C, HR5001C
Alternate Part Numbers:
2319851
