S-90185A199 1/2"-13 x 2" ASME B18.5, SAE J429 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-flake coating, ideal for harsh industrial environments and outdoor applications.
• Exceptional tensile strength of 120,000 psi ensures reliable performance under heavy loads and high-stress conditions.
• Secure anti-rotation design with a square neck that locks into materials, preventing spinning during installation.
• Wide, rounded head distributes clamping force evenly, reducing surface damage and improving joint integrity.
• Coarse UNC threads provide quick assembly and superior grip in wood, metal, and composite materials.
• Precision Class 2A thread fit ensures smooth engagement and consistent fastening without cross-threading issues.
• Full compliance with industry standards including ASME B18.5 and SAE J429, guaranteeing quality and interchangeability.

Professional Applications & Engineering Value

This Grade 5 carriage bolt is engineered for demanding applications where durability and reliability are critical. The zinc-flake coated steel construction offers excellent protection against rust and corrosion, making it suitable for outdoor structures, agricultural equipment, and construction projects exposed to moisture. The square neck design effectively prevents rotation during tightening, ensuring a secure fit in pre-drilled holes—saving time and reducing installation errors. With its coarse UNC thread and fully threaded shank, it delivers strong holding power in soft materials like wood and composites, while the rounded head minimizes surface marring. Ideal for heavy-duty framing, trailer assemblies, and machinery where high tensile strength and vibration resistance are essential, this bolt provides long-term performance and reduces maintenance needs.

Specification Summary & Compliance

This carriage bolt meets precise dimensional standards with a Class 2A thread fit and UNC coarse thread (1/2"-13), ensuring compatibility and ease of use. It conforms to ASME B18.5 and SAE J429 specifications for Grade 5 fasteners, guaranteeing consistent quality and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial applications.