S-90934A849 3/4"-10 x 3 1/2" SAE J429 Plow Bolts

Key Features & Benefits at a Glance

• Exceptional strength for demanding applications with Grade 8 classification and 150,000 psi tensile strength, ensuring reliable performance under extreme loads.
• Superior corrosion resistance provided by the zinc yellow-chromate plating, extending service life in harsh, outdoor, or wet environments.
• Secure anti-rotation locking due to the square neck design, which prevents the bolt from turning during installation and operation in machinery.
• Optimized for heavy-duty use with a Rockwell C33 hardness, offering excellent durability and resistance to wear and deformation.
• Easy installation and reliable grip from the 3/4"-10 UNC coarse threading and Class 2A fit, ensuring consistent engagement and vibration resistance.
• Versatile oval head design that provides a finished appearance and sits flush in countersunk applications, common in agricultural and construction equipment.
• Industry-standard compliance meeting SAE J429 specifications, guaranteeing quality and interchangeability for professional users.

Professional Applications & Engineering Value

This Grade 8 plow bolt is engineered to solve critical challenges in heavy-duty industrial and agricultural equipment, where high stress and environmental exposure are common. The zinc yellow-chromate plated steel construction delivers robust corrosion resistance, essential for plows, tillers, and earth-moving machinery operating in abrasive, moist conditions. Its partially threaded shank with a square neck ensures the bolt remains securely locked in place, preventing rotation that could lead to assembly failure. The 3/4"-10 UNC coarse thread and Class 2A fit provide quick, reliable fastening with high vibration resistance, reducing maintenance downtime. By meeting SAE J429 standards, this bolt offers consistent performance and safety, making it a trusted choice for engineers and procurement specialists seeking durability and compliance in demanding applications.

Specification Summary & Compliance

This plow bolt features precise Class 2A thread fit and UNC coarse threading (3/4"-10) for reliable engagement. It complies with SAE J429 specifications, ensuring adherence to recognized industry standards for material and mechanical properties. The product is manufactured with a Rockwell C33 hardness and 150,000 psi tensile strength, confirming its high-performance grade. While specific RoHS or REACH declarations are not provided, the zinc yellow-chromate plating is commonly used in compliant industrial finishes for enhanced environmental and safety performance.