S-90911A812 5/8"-11 x 2 1/2" ASME B18.9, SAE J429 Plow Bolts

Key Features & Benefits at a Glance

• Exceptional tensile strength with 120,000 psi rating ensures reliable performance under heavy loads and vibrations
• Superior corrosion resistance through zinc-plated steel construction extends service life in harsh environments
• Effective anti-rotation locking with square neck design prevents bolt turning during installation and operation
• Optimized thread engagement with partial UNC coarse threading provides faster assembly and secure fastening
• Enhanced durability with Rockwell C25 hardness maintains structural integrity under repeated stress
• Precision flat head design with 82° countersink angle allows for flush mounting in agricultural equipment
• Industry-standard compatibility with Class 2A thread fit ensures interchangeability and proper mating with nuts

Professional Applications & Engineering Value

These heavy-duty plow bolts are engineered specifically for demanding agricultural and industrial applications where vibration resistance and structural integrity are critical. The zinc-plated steel construction provides essential corrosion protection for equipment exposed to moisture, chemicals, and outdoor elements. The square neck design solves common rotation issues during installation and operation, ensuring secure fastening in plow shares, cutting edges, and other high-wear components. The partial UNC threading with coarse pitch allows for quicker installation while maintaining strong holding power. With Grade 5 strength classification and precise flat head profile, these bolts deliver reliable performance in earth-moving equipment, agricultural machinery, and heavy industrial applications where failure is not an option.

Specification Summary & Compliance

These plow bolts feature 5/8"-11 UNC coarse threading with Class 2A thread fit for standard tolerance applications. The manufacturing complies with ASME B18.9 specifications and SAE J429 standards for Grade 5 fasteners. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring safe use in various industrial and agricultural settings. The combination of precise dimensional control and material certification guarantees consistent performance and reliability across all applications.