S-94050A210 1/4"-20 x 1 1/2" 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 for extended service life in harsh marine and chemical environments
- Secure anti-rotation performance with integrated square neck that prevents spinning during installation
- Excellent durability provided by high-strength silicon bronze material construction
- Reliable coarse threading with UNC 1/4"-20 pattern for faster installation and reduced cross-threading risk
- Precision thread fit meeting Class 2A standards for consistent engagement and vibration resistance
- Wide rounded head profile for enhanced bearing surface and improved load distribution
- Environmental compliance with RoHS 3 and REACH regulations for safe industrial applications
Professional Applications & Engineering Value
This silicon bronze carriage bolt delivers exceptional engineering value in demanding applications where corrosion resistance is critical. The marine-grade silicon bronze material provides superior protection against saltwater degradation, making it ideal for marine hardware, dock construction, and coastal infrastructure. The integrated square neck design solves common installation challenges by preventing rotation during tightening, ensuring secure fastening in wood and composite materials. With fully threaded UNC coarse threading and Class 2A thread fit, these bolts offer reliable performance in industrial applications requiring vibration resistance and quick assembly. The combination of ASME B18.5 compliance and environmental regulations adherence makes this fastener suitable for projects demanding both mechanical reliability and environmental safety standards.
Specification Summary & Compliance
This carriage bolt features precision 1/4"-20 UNC coarse threading with Class 2A thread fit for consistent engagement and dimensional accuracy. Manufactured to ASME B18.5 specifications for guaranteed interchangeability and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide.
