S-90934A803 5/8"-11 x 2 1/4" SAE J429 Plow Bolts

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 psi ensures reliable performance under extreme loads, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance from zinc yellow-chromate plating extends service life and maintains integrity in harsh, moisture-prone environments.
• High hardness rating (Rockwell C33) provides excellent wear resistance, minimizing deformation and maintaining thread integrity during repeated use.
• Square neck design prevents rotation during installation, ensuring secure placement and reducing assembly time in equipment like plows and heavy machinery.
• Fully threaded UNC coarse threading offers faster installation and stronger holding power in coarse materials, improving efficiency in agricultural and construction settings.
• Oval head with standard profile allows for a flush fit when countersunk, enhancing aesthetics and reducing snagging risks in moving parts.
• Compliance with SAE J429 Grade 8 standards guarantees consistent quality and reliability, meeting industry requirements for heavy-duty fastening solutions.

Professional Applications & Engineering Value

This Grade 8 plow bolt is engineered to tackle the toughest industrial challenges, combining zinc yellow-chromate plated steel for maximum corrosion protection with a fully threaded 5/8"-11 UNC coarse thread design that ensures rapid, secure fastening. Ideal for agricultural equipment like plow blades and construction machinery, its square neck prevents spinning during installation, saving time and reducing labor costs. The high tensile strength and Rockwell C33 hardness withstand intense vibrations and impacts, addressing common pain points such as bolt loosening and wear in heavy-duty environments. By adhering to SAE J429 specifications, it delivers consistent performance, making it a trusted choice for professionals seeking durability and compliance in demanding applications.

Specification Summary & Compliance

This plow bolt features precise Class 2A thread fit and UNC coarse threading for reliable engagement, with dimensions including a 2 1/4" length and 5/8"-11 thread size. Manufactured to meet SAE J429 Grade 8 standards, it ensures high strength and consistency. The zinc yellow-chromate plating supports compliance with RoHS and REACH regulations for environmental safety, while the design adheres to industry norms for heavy-duty fasteners in agricultural and construction sectors.