Description
Overview:
The Hex Nut M8-12 is a genuine Makita fastener designed for securing critical assemblies on heavy-duty hammer drills, including the HR4511C and HR5211C. Made from robust steel with a corrosion-resistant finish, it withstands the vibration and impact loads typical of SDS‐Max tools. The M8 thread and M8-12 designation match the original specification to ensure a precise fit and reliable clamping force. Use it to replace worn or missing hardware and to keep your tool built to factory standards. Supplied as Makita part number 252178-7, this OEM nut supports consistent performance, reduces the risk of loosening in service, and helps maintain safety. It is suitable for both trade and DIY maintenance where dependable, like-for-like replacement parts are required.
Key Features:
- Genuine Makita part (252178-7) for assured compatibility and quality
- M8-12 size for a precise fit on specified Makita hammer drills
- Durable steel construction with a corrosion-resistant finish
- Resists loosening under vibration when correctly torqued
- Clean, accurate threads for smooth installation and firm clamping
- Direct replacement for straightforward maintenance and repairs
- Helps maintain tool performance, reliability, and safety
- Suitable for professional site use and home workshop repairs
Typical Applications:
Used to secure covers, housings, brackets, guards, and other assemblies subject to repeated impact and vibration on Makita hammer drills. Ideal for servicing, overhauls, and preventative maintenance where fasteners must hold tight under load. A practical replacement when restoring original hardware or standardising mixed fixings on tools used daily on site or in the workshop.
Also known as:
Hexagonal nut, M8 nut, machine nut, fixing nut, fastener nut, threaded nut, securing nut, hardware nut. Suitable wherever an M8 threaded nut is required on compatible Makita equipment and similar applications.
Fits Models:
HR4511C, HR5211C
Alternate Part Numbers:
2521787
