Description
Overview:
This Genuine Makita Guide Ring (part no. 451639-6) is a durable replacement component for Makita demolition hammer drills, such as the HM0870C and HM0871C. Made from a tough, engineered polymer in a black finish, it supports smooth, accurate movement of the hammer mechanism by maintaining correct alignment between moving parts. Replacing a worn or damaged guide ring restores consistent striking action, reduces wobble, and helps protect surrounding components from premature wear. Designed to match factory dimensions, it fits directly in the intended housing without modification. Ideal for routine maintenance or repair, this OEM ring keeps your hammer drill operating efficiently in demanding site conditions and workshop use, whether you are a tradesperson or a DIY user looking to maintain reliable performance.
Key Features:
- Genuine Makita OEM component (451639-6) for accurate fit and dependable compatibility
- Tough engineered polymer construction for impact and abrasion resistance
- Maintains internal alignment for smooth hammer action and consistent performance
- Direct-fit replacement sized to factory specification; no modifications required
- Helps reduce vibration and uneven wear on associated parts
- Quick, straightforward installation using standard workshop tools
- Suitable for regular maintenance to extend tool service life
- Compatible with selected Makita demolition hammer drills used on site and at home
Typical Applications:
Ideal for restoring performance on demolition and SDS-MAX style hammer drills used for breaking concrete, chasing channels, removing render or tiles, and general construction tasks. Use when the original guide ring shows signs of wear, damage, excess play, or when servicing the hammer mechanism to prevent future failures and maintain consistent striking force under heavy-duty use.
Also known as:
Guide collar, alignment ring, locating ring, tool holder guide ring, drill collar, spacer ring. These terms are commonly used to describe the same component that controls alignment and supports smooth motion within the hammer drill mechanism.
Fits Models:
HM080660C, HM0860C, HM0870C, HM0871C
Alternate Part Numbers:
4516396
