S-98930A142 M8 x 80 mm ISO 8678 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc yellow-chromate plating for extended service life in harsh industrial environments
• Exceptional mechanical strength with Class 8.8 rating and 110,000 psi tensile strength to withstand heavy loads and stress
• Reliable anti-rotation performance thanks to the integrated square neck that prevents spinning during installation
• Optimized thread engagement with M8 coarse thread (1.25 mm pitch) for faster assembly and reduced cross-threading risk
• Precision manufacturing with Class 6g thread fit ensuring consistent quality and compatibility with standard nuts
• Enhanced durability with Rockwell C22 hardness providing excellent wear resistance and structural integrity
• Industry-standard compliance meeting ISO 8678 specifications for guaranteed performance in professional applications

Professional Applications & Engineering Value

This M8 carriage bolt delivers exceptional engineering value through its robust zinc yellow-chromate plated steel construction, specifically designed to address common industrial fastening challenges. The square neck design provides critical anti-rotation capability, eliminating the need for additional locking mechanisms in structural assemblies, machinery frames, and automotive applications. The partially threaded configuration with coarse metric threading ensures optimal clamping force distribution while resisting vibration-induced loosening. With its Class 8.8 strength rating and 110,000 psi tensile strength, this fastener maintains structural integrity under dynamic loads, making it ideal for heavy equipment, construction projects, and transportation infrastructure where reliability is paramount.

Specification Summary & Compliance

This carriage bolt features precision M8 x 1.25 mm coarse threading with Class 6g thread fit tolerance ensuring consistent performance across industrial applications. Manufactured to ISO 8678 specifications, the fastener maintains dimensional accuracy and mechanical properties required for professional use. The zinc yellow-chromate plating provides corrosion protection while the Class 8.8 strength classification guarantees mechanical performance. With 22 mm minimum thread length and square neck measuring 8.58 mm, this bolt delivers reliable anti-rotation characteristics suitable for demanding engineering applications.