S-90185A887 3/4"-10 x 6" 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
- Superior load-bearing capacity with 120,000 psi tensile strength for demanding industrial applications
- Enhanced corrosion resistance through zinc-plated steel construction, extending service life in harsh environments
- Secure anti-rotation installation with integrated square neck design that prevents spinning during tightening
- Reliable coarse threading (UNC 3/4"-10) for faster assembly and reduced cross-threading risks
- Consistent performance backed by Grade 5 classification and Rockwell C25 hardness for predictable mechanical behavior
- Full thread coverage along the 6" length provides maximum grip and adjustment flexibility
- Regulatory compliance assurance meeting ASME B18.5, SAE J429, RoHS 3, and REACH standards
Professional Applications & Engineering Value
This Grade 5 carriage bolt delivers exceptional engineering value for structural connections in heavy machinery, construction frameworks, and transportation equipment. The zinc-plated steel construction provides critical corrosion protection in outdoor or high-moisture environments, while the square neck design eliminates the need for secondary locking mechanisms by securely embedding into mating materials. The coarse UNC threading ensures rapid installation in wood, metal, or composite materials without compromising joint integrity. With its 120,000 psi tensile strength and Rockwell C25 hardness, this fully threaded carriage bolt maintains clamping force under vibration and dynamic loads, solving common fastener failure points in industrial applications.
Specification Summary & Compliance
This carriage bolt maintains Class 2A thread fit tolerance for consistent mating with nuts and tapped holes. Manufactured to ASME B18.5 and SAE J429 specifications, it ensures dimensional accuracy and mechanical performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances above threshold limits. The 3/4"-10 UNC coarse thread configuration follows standardized threading protocols for reliable interchangeability across industrial systems.
