S-91589A804 5/8"-11 x 2 1/2" SAE J429 Plow Bolts

Key Features & Benefits at a Glance

• Exceptional Strength: With a tensile strength of 150,000 psi and Grade 8 classification, this bolt provides superior resistance to heavy loads and impacts, ensuring reliable performance in demanding applications.
• Secure Anti-Rotation Design: The key locking neck prevents the bolt from turning during operation, offering enhanced stability and reducing maintenance needs in high-vibration environments.
• Optimized Thread Engagement: Featuring UNC coarse threads and Class 2A fit, it allows for quick assembly and consistent fastening, minimizing the risk of cross-threading and improving installation efficiency.
• Durable Material Construction: Made from high-strength steel with Rockwell C33 hardness, it delivers excellent wear resistance and longevity, even under harsh conditions like agricultural or construction use.
• Standardized Flat Head Profile: The flat head with a 60° countersink angle ensures a flush fit, reducing snagging and providing a smooth surface for equipment like plows and blades.
• Partial Threading for Flexibility: With a minimum thread length of 1 1/2", it allows for adjustable grip in various material thicknesses, enhancing versatility across different industrial setups.
• Compliance with Industry Standards: Meets SAE J429 specifications and is RoHS 3 and REACH compliant, ensuring safety, environmental responsibility, and interoperability in regulated markets.

Professional Applications & Engineering Value

This Grade 8 plow bolt is engineered to address critical challenges in heavy-duty equipment, such as agricultural machinery, snow plows, and industrial blades, where vibration and high stress can lead to fastener failure. The key locking neck technology effectively counters rotation, a common issue in dynamic applications, while the steel material with Rockwell C33 hardness ensures durability against abrasion and corrosion. Its UNC coarse thread and partial threading design facilitate easy installation and secure clamping in varied thicknesses, reducing downtime. By integrating SAE J429 standards and environmental compliance, this bolt not only enhances equipment reliability but also supports sustainable operations, making it a trusted choice for engineers seeking robust, long-lasting fastening solutions.

Specification Summary & Compliance

This plow bolt features precise dimensions, including a 5/8"-11 UNC coarse thread with Class 2A fit for accurate tolerance, and a flat head profile with a 60° countersink angle. It complies with SAE J429 manufacturing specifications, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.