S-95362A655 3/4"-10 x 3 1/2" ASME B18.2.1, SAE J429, ASTM A354BD, MS90728-193 Mil. Spec. High-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 PSI ensures reliable performance in the most demanding heavy-duty applications, reducing the risk of fastener failure.
• Superior corrosion resistance from the zinc yellow-chromate plating protects against rust and environmental degradation, extending service life in harsh conditions.
• High hardness rating of Rockwell C33 provides excellent wear resistance and durability, maintaining thread integrity under high stress.
• Coarse UNC thread design with Class 2A fit allows for faster assembly and easier engagement, even in materials where fine debris may be present.
• Partially threaded shank offers optimal clamping force distribution, preventing loosening in vibrating machinery and structural joints.
• External hex drive and hex head design enables high torque application with standard tools, ensuring secure tightening and simplifying maintenance.
• Compliance with major industry standards including ASME B18.2.1, SAE J429, and ASTM A354BD guarantees consistent quality and interchangeability.

Professional Applications & Engineering Value

This Grade 8 hex head screw is engineered for heavy-duty industrial applications where failure is not an option. The steel material combined with a Rockwell C33 hardness provides the structural integrity needed to withstand extreme loads and vibrations in machinery, construction, and transportation equipment. The zinc yellow-chromate plating offers a robust barrier against corrosion, making it ideal for outdoor or high-moisture environments. Its 3/4"-10 UNC coarse thread ensures quick and reliable installation, reducing assembly time while the partially threaded design concentrates clamping force precisely where needed, minimizing stress concentration and enhancing joint reliability. This screw delivers dependable fastening solutions that meet rigorous engineering demands.

Specification Summary & Compliance

This fastener features a 3/4"-10 UNC coarse thread with Class 2A thread fit for consistent dimensional accuracy. It complies with ASME B18.2.1, SAE J429, and ASTM A354BD specifications, ensuring adherence to recognized manufacturing and performance standards. The product is also REACH (EC 1907/2006) compliant, confirming its safety and environmental responsibility. With a length of 3 1/2 inches and a minimum thread length of 1 3/4 inches, it is designed for precise application requirements.