S-93548A593 5/16"-18 x 2 1/2" ASTM A307, SAE J429, ASME B18.5 Carriage Bolts
Carriage Bolts
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior anti-rotation performance with a square neck design that locks securely into materials, preventing spin during installation and use.
- Excellent corrosion resistance provided by the zinc-plated steel construction, ensuring long-term durability in various industrial environments.
- High tensile strength of 60,000 PSI and Rockwell B70 hardness for reliable performance in heavy-duty applications.
- Easy and quick installation with fully threaded UNC coarse threading, allowing for faster assembly and secure fastening.
- Wide, rounded head profile distributes load effectively and reduces the risk of surface damage, ideal for wood and metal connections.
- Precise Class 2A thread fit ensures consistent engagement and reduces the likelihood of cross-threading, enhancing assembly efficiency.
- Compliance with major industry standards including ASTM A307, SAE J429, and ASME B18.5, guaranteeing quality and interoperability.
Professional Applications & Engineering Value
This Grade 2 zinc-plated steel carriage bolt is engineered to address common challenges in industrial fastening, such as vibration-induced loosening and corrosion. The square neck design provides exceptional anti-rotation, making it ideal for applications in construction, machinery, and transportation where secure, non-spinning fasteners are critical. Made from zinc-plated steel, it offers enhanced corrosion resistance, extending service life in harsh environments. The fully threaded UNC coarse thread ensures quick installation and strong holding power, while the rounded head minimizes surface marring. Suitable for wood-to-metal and structural connections, this bolt delivers reliable performance in heavy-duty industrial applications, reducing maintenance needs and downtime.
Specification Summary & Compliance
This carriage bolt features a 5/16"-18 UNC coarse thread with a Class 2A thread fit for precise dimensional accuracy. It complies with ASTM A307, SAE J429, and ASME B18.5 specifications, ensuring consistent quality and performance. The product is RoHS 3 (2015/863/EU) compliant, meeting environmental regulations for hazardous substance restrictions.
