S-98930A207 M12 x 55 mm ASME B18.5, ISO 8678 Carriage Bolts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc yellow-chromate plating, ideal for harsh industrial environments
• High tensile strength of 110,000 psi and Class 8.8 rating for reliable, heavy-duty fastening applications
• Secure non-rotating installation thanks to the square neck design that prevents spinning during tightening
• Rockwell C22 hardness ensures durability and resistance to wear in demanding conditions
• Coarse M12 x 1.75mm metric threading provides quick assembly and strong grip in various materials
• Partially threaded shank allows for precise clamping force distribution in structural connections
• Compliance with ASME B18.5 and ISO 8678 standards guarantees consistent quality and interchangeability

Professional Applications & Engineering Value

This M12 carriage bolt is engineered with zinc yellow-chromate plated steel to combat corrosion in outdoor and industrial settings, such as construction frameworks, machinery assembly, and agricultural equipment. The square neck design eliminates rotation during installation, speeding up assembly while ensuring a secure fit in wood or metal applications. With a Class 8.8 strength grade and 110,000 psi tensile strength, it handles high-stress loads without failure, making it a dependable choice for heavy-duty fastening solutions. The coarse thread pitch and partial threading optimize grip and reduce the risk of stripping, providing long-term reliability in dynamic environments.

Specification Summary & Compliance

This carriage bolt features M12 x 1.75mm coarse metric threading with a Class 6h thread fit for precise dimensional accuracy. It meets ASME B18.5 and ISO 8678 specifications, ensuring adherence to international manufacturing standards. The product complies with RoHS and REACH regulations, supporting safe and environmentally conscious usage in various industrial applications.