Description
Overview:
The Diagonal Bolt M8 (OEM 303800) is a genuine Hikoki/Hitachi replacement fastener for selected circular saws, including the C6BUY and C6UY. It secures critical assemblies that experience angled or vibrational loads during cutting, helping maintain alignment and safe operation. Made from durable steel and produced to factory dimensions, it provides a precise M8 fit in the specified saws. This bolt is intended for routine maintenance or repair where the original fixing has worn, loosened, or been lost. Suitable for trade, hire, and DIY users, it helps keep tools working reliably on site or in the workshop. Being a Genuine Part, it matches the original specification for strength and fitment, reducing the risk of compatibility issues and ensuring consistent clamping performance.
Key Features:
- Genuine Part: OEM 303800 for Hikoki/Hitachi circular saws
- M8 metric size for exact, repeatable fit in the intended locations
- Durable steel construction to withstand site conditions and frequent use
- Helps maintain component alignment under vibration and load
- Supports safe operation by securing guards, plates, or linkages as designed
- Straightforward to fit using standard hand tools, minimising downtime
- Factory-specified dimensions for reliable clamping and thread engagement
- Suitable as a like-for-like replacement during servicing or repair
- Compatible with multiple models for simplified stocking by fleets and workshops
Typical Applications:
Used to replace the original diagonal fixing in Hikoki/Hitachi circular saw assemblies. Commonly fitted where angled or cross-braced components meet, such as base/shoe adjustment mechanisms, guard linkages, or related brackets subject to vibration. Ideal for restoring secure fastening after wear, corrosion, or damage, and for preventative maintenance to keep saws operating safely and accurately.
Also known as:
Diagonal fixing bolt, M8 retaining bolt, M8 clamp bolt, OEM 303800 fastener, saw assembly bolt, guard linkage bolt, base plate fixing, replacement M8 machine bolt.
Fits Models:
C6BUY, C6UY, C7BUY, C7UY
Alternate Part Numbers:
303800
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