S-90128A199 8-32 x 1" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Zinc-plated alloy steel construction provides excellent corrosion resistance, extending service life in harsh industrial environments.
• Class 3A thread fit offers tighter tolerances for superior engagement and vibration resistance in precision assemblies.
• Fully threaded right-hand UNC coarse thread design delivers maximum holding power and faster installation in a variety of materials.
• Hex socket drive with 9/64" drive size allows for high torque application and secure fastening in confined spaces.
• Rockwell C37 hardness maintains structural integrity and resists wear, ensuring long-term durability.
• Compliance with ASTM A574, RoHS 3, and REACH guarantees adherence to industry standards for safety and environmental responsibility.

Professional Applications & Engineering Value

These 8-32 UNC socket head cap screws are engineered to address critical challenges in industrial settings, such as vibration loosening and material fatigue. Made from zinc-plated alloy steel, they offer robust corrosion protection, making them ideal for machinery, automotive, and electronics applications where exposure to moisture or chemicals is a concern. The fully threaded design and coarse thread spacing provide enhanced grip and load distribution, reducing the need for frequent maintenance. With a hex drive style, they enable precise torque control in tight spaces, streamlining assembly processes and improving overall equipment reliability. This combination of high tensile strength and standardized thread fit ensures consistent performance in demanding engineering projects.

Specification Summary & Compliance

This product features precise Class 3A thread fit per UNC standards, with a thread size of 8-32 and coarse spacing for optimal performance. Dimensions include a 1" length, 0.27" head diameter, and 9/64" hex drive size. It complies with ASTM A574 specifications for high-strength fasteners and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry adherence.