S-91589A853 3/4"-10 x 4 1/2" SAE J429 Plow Bolts

Key Features & Benefits at a Glance

• Exceptional strength and durability with Grade 8 classification and 150,000 psi tensile strength, ensuring reliable performance under extreme loads.
• Superior resistance to loosening thanks to the key locking neck design, which provides enhanced security in high-vibration applications.
• High material hardness at Rockwell C33, offering excellent wear resistance and longevity in abrasive environments.
• Optimized for easy installation and removal with a standard flat head and 60° countersink angle, allowing for a flush fit and reduced snagging.
• Precise thread fit and compatibility with Class 2A UNC coarse threads, ensuring reliable engagement and interchangeability in industrial assemblies.
• Versatile partial threading that provides a strong grip where needed while allowing flexibility in various mounting scenarios.
• Compliance with stringent industry standards including SAE J429, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.

Professional Applications & Engineering Value

This Grade 8 plow bolt is engineered to address critical challenges in heavy-duty sectors such as agriculture, construction, and industrial machinery. The key locking neck design prevents rotation and loosening under high-vibration conditions, a common issue in equipment like snowplows, earth-moving machinery, and agricultural implements. Made from high-strength steel and featuring a 3/4"-10 UNC coarse thread, it ensures robust fastening in demanding applications where reliability is paramount. The flat head with a standard profile allows for a seamless, low-profile installation, reducing the risk of debris accumulation and component damage. By integrating SAE J429 compliance and superior material properties, this bolt delivers long-term performance, minimizing downtime and maintenance costs in harsh operating environments.

Specification Summary & Compliance

This plow bolt adheres to precise dimensional standards, including a Class 2A thread fit and UNC coarse threading for consistent performance. It is manufactured in compliance with SAE J429 specifications, ensuring mechanical properties and quality. Additionally, the product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental and safety compliance for global industrial use.