S-93548A687 7/16"-14 x 4 1/2" ASTM A307, SAE J429, ASME B18.5 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
- Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh environments
- Exceptional holding power with fully threaded UNC coarse threads that provide maximum grip and vibration resistance
- Reliable anti-rotation design featuring a square neck that prevents spinning during installation and operation
- High tensile strength performance rated at 60,000 PSI and Rockwell B70 hardness for demanding applications
- Wide head profile with rounded carriage style for enhanced load distribution and surface protection
- Precision thread fit with Class 2A tolerance ensuring smooth assembly and consistent performance
- Broad industrial compliance meeting ASTM A307, SAE J429, and ASME B18.5 standards for quality assurance
Professional Applications & Engineering Value
These Grade 2 zinc-plated steel carriage bolts deliver critical engineering solutions where vibration resistance and structural integrity are paramount. The fully threaded UNC coarse thread pattern maintains superior clamping force in wood-to-metal and structural connections, while the square neck design eliminates rotational slippage during torque application. With 60,000 PSI tensile strength and Rockwell B70 hardness, they withstand heavy loads in construction, agricultural equipment, and industrial machinery. The zinc plating provides essential corrosion protection for outdoor applications, making them ideal for trailer assemblies, framing systems, and infrastructure projects requiring durable industrial fasteners.
Specification Summary & Compliance
This 7/16"-14 carriage bolt features precision Class 2A thread fit with UNC coarse threading and right-hand direction. Manufacturing complies with ASTM A307, SAE J429, and ASME B18.5 specifications, ensuring dimensional accuracy and mechanical properties. The product is RoHS 3 (2015/863/EU) Compliant, meeting environmental regulations for hazardous substance restrictions.
