S-98930A210 M16 x 45 mm ASME B18.5, 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 120,000 PSI tensile strength for heavy-duty applications
• Reliable anti-rotation performance due to integrated square neck design that prevents spinning during installation
• Optimized thread engagement with M16x2mm coarse threading and Class 6h fit for secure fastening in various materials
• Enhanced durability with Rockwell C22 hardness rating providing excellent wear resistance
• Full threading capability allowing maximum adjustability and load distribution across the entire bolt length
• Industry-standard compliance ensuring compatibility and reliability in professional applications

Professional Applications & Engineering Value

These heavy-duty M16 carriage bolts deliver exceptional engineering value in demanding industrial settings. The zinc yellow-chromate plated steel construction provides superior corrosion protection, making them ideal for outdoor construction, agricultural equipment, and structural applications where environmental exposure is a concern. The square neck design fundamentally solves the common problem of bolt rotation during tightening, ensuring secure installation in wood, metal, and composite materials. With fully threaded metric coarse threading and Class 8.8 strength rating, these fasteners maintain integrity under significant vibrational loads and stress, preventing joint failure in machinery, trailer assemblies, and structural frameworks where reliability is paramount.

Specification Summary & Compliance

These M16 carriage bolts feature precise Class 6h thread fit tolerance with 2mm coarse pitch metric threading and right-hand thread direction. Manufacturing complies with ASME B18.5 and ISO 8678 specifications, ensuring dimensional accuracy and performance consistency. The 45mm length with 5mm square neck (16.7mm width) and 35mm head diameter maintains standardized proportions for reliable integration. Materials and plating processes meet industry standards for heavy-duty applications, providing assurance of quality and compliance in professional engineering contexts.