S-91589A887 7/8"-9 x 3 1/2" SAE J429 Plow Bolts

Key Features & Benefits at a Glance

• Exceptional strength for heavy loads with Grade 8 rating and 150,000 psi tensile strength, ensuring reliable performance in demanding industrial and agricultural environments.
• Secure anti-rotation locking thanks to the key locking neck design, which prevents the bolt from turning during operation, reducing maintenance and enhancing safety.
• Durable material construction made from high-quality steel with Rockwell C33 hardness, providing excellent resistance to wear and impact in harsh conditions.
• Optimized thread engagement with 7/8"-9 UNC coarse threads and Class 2A fit, enabling quick installation and strong holding power in coarse materials.
• Versatile flat head profile with standard countersink angle, allowing for flush mounting in plow blades and similar equipment without protruding parts.
• Compliance with industry standards including SAE J429, RoHS 3, and REACH, ensuring product reliability and environmental safety for global supply chains.
• Partially threaded design with a minimum thread length of 2 inches, offering flexibility for applications where full threading isn't required, saving time and material.

Professional Applications & Engineering Value

This Grade 8 plow bolt is engineered to address critical challenges in heavy-duty sectors like agriculture, construction, and earth-moving equipment. The key locking neck technology effectively counters rotational forces, a common issue in vibrating machinery, by securely engaging with mating parts to prevent loosening. Constructed from high-strength steel and featuring a 7/8"-9 UNC coarse thread, it ensures rapid assembly and robust fastening in coarse-textured materials, reducing downtime. The flat head with a standard profile allows for seamless integration into plow blades and other surfaces, minimizing drag and wear. Ideal for snow plows, bulldozer blades, and industrial attachments, this bolt delivers consistent performance under extreme stress, backed by SAE J429 specifications for dependable engineering use.

Specification Summary & Compliance

This plow bolt adheres to precise dimensional standards, including a Class 2A thread fit for consistent assembly and UNC coarse threading with a size of 7/8"-9. It meets manufacturing specifications under SAE J429 for mechanical properties and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for environmentally conscious industrial applications.