S-97000A513 1/4"-20 x 1 1/2" ASME B18.5, SAE J429 Carriage Bolts
Carriage Bolts
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Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional strength for demanding applications with Grade 8 classification and 150,000 psi tensile strength
- Superior corrosion resistance provided by zinc yellow-chromate plating on steel construction
- Prevents rotation during installation thanks to the integrated square neck design
- Reliable coarse threading with UNC 1/4"-20 thread pattern for quick assembly and secure fastening
- Precision thread fit with Class 2A tolerance ensuring consistent performance and easy installation
- Optimized head design with wide, rounded carriage head for enhanced bearing surface and professional appearance
- Heavy-duty hardness at Rockwell C33 for maximum durability in industrial environments
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 8 carriage bolt delivers exceptional performance where vibration resistance and structural integrity are critical. The square neck design prevents rotation during tightening, eliminating the need for additional locking mechanisms in wood-to-metal and structural steel connections. The zinc yellow-chromate plating provides superior corrosion protection, making it ideal for outdoor equipment, construction frameworks, and machinery subjected to harsh environments. With coarse UNC threading and Class 2A thread fit, installation is streamlined while maintaining secure fastening in high-stress applications across construction, agricultural equipment, and industrial machinery sectors.
Specification Summary & Compliance
This carriage bolt features precision 1/4"-20 UNC coarse threading with Class 2A thread fit for consistent engagement and reliable performance. Manufactured to meet ASME B18.5 dimensional specifications and SAE J429 Grade 8 mechanical requirements, ensuring compatibility with industrial standards. The fastener maintains dimensional accuracy with a 1-1/2" length and 0.594" head diameter, providing standardized performance across applications requiring heavy-duty fastening solutions.
