S-94050A240 1/4"-20 x 3" 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
- Exceptional corrosion resistance for long-lasting performance in marine and harsh industrial environments
- Secure anti-rotation locking provided by the integrated square neck that prevents spinning during installation
- Reliable coarse UNC threading ensures quick and easy installation with reduced cross-threading risk
- Precision Class 2A thread fit delivers consistent engagement and optimal clamping force
- Wide rounded head profile distributes load effectively while providing a finished appearance
- Full threading along the 3" length offers versatile fastening depth options for various applications
- Compliance with major industry standards including ASME B18.5 for guaranteed dimensional accuracy
Professional Applications & Engineering Value
These silicon bronze carriage bolts deliver exceptional engineering value in demanding environments where corrosion resistance is critical. The marine-grade silicon bronze material provides superior protection against saltwater corrosion, making these fasteners ideal for marine applications, coastal structures, and chemical processing facilities. The integrated square neck design solves common installation challenges by preventing rotation during tightening, ensuring secure fastening in wood and other soft materials. The coarse UNC threading and Class 2A thread fit provide reliable engagement while resisting vibration loosening. The fully threaded 3" length offers installation flexibility across various material thicknesses, while the wide rounded head creates a professional finish without requiring additional washers in many applications.
Specification Summary & Compliance
This 1/4"-20 carriage bolt features precision UNC coarse threading with Class 2A thread fit tolerance for consistent performance. Manufactured to ASME B18.5 specifications ensuring dimensional accuracy and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. The silicon bronze material and square neck carriage bolt design meet industry standards for corrosion-resistant fastening solutions in demanding applications.
