S-98930A202 M6 x 70 mm ASME B18.5, ISO 8678 Carriage Bolts
Carriage Bolts
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Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
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Key Features & Benefits at a Glance
- Exceptional tensile strength with Class 8.8 rating and 110,000 psi capability for reliable performance in demanding applications.
- Superior corrosion resistance from zinc yellow-chromate plating, extending service life in harsh environments.
- Secure anti-rotation design with a square neck that prevents spinning during installation, ensuring stable fastening.
- Optimized thread engagement with M6 x 1mm coarse threading and Class 6h fit for easy assembly and vibration resistance.
- Durable material construction using steel with Rockwell C22 hardness for long-term reliability under stress.
- Versatile partial threading allowing flexibility in grip range while maintaining strong hold in various materials.
- Rounded wide head profile for reduced surface damage and improved aesthetic integration in finished assemblies.
Professional Applications & Engineering Value
This M6 carriage bolt is engineered to address common industrial challenges such as joint failure and corrosion in heavy machinery, construction frameworks, and automotive assemblies. The zinc yellow-chromate plated steel provides a robust barrier against moisture and chemicals, significantly reducing maintenance needs. With its square neck and partially threaded design, it ensures quick, secure installation without tools slipping, making it ideal for high-vibration environments. The coarse thread and Class 8.8 strength deliver consistent clamping force, preventing loosening in dynamic loads and enhancing safety in structural applications.
Specification Summary & Compliance
This bolt adheres to precise dimensional standards with M6 x 1mm coarse threading and a Class 6h thread fit for accurate engagement. It complies with ASME B18.5 and ISO 8678 specifications, ensuring interoperability and quality. The manufacturing process meets industry regulations, including RoHS and REACH for environmental safety, guaranteeing a reliable and compliant metric carriage bolt for professional use.
