S-92012A200 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Strength & Durability: Alloy steel construction with Rockwell C32 hardness and 140,000 psi tensile strength ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Corrosion-Resistant Finish: Black oxide coating provides enhanced protection against rust and wear, extending service life in demanding industrial environments.
• Precise Alignment & Stability: The 3/16" shoulder diameter with tight tolerances (-0.001" to 0") and 5/16" shoulder length (0" to 0.002" tolerance) ensures accurate component positioning and minimizes assembly play.
• Easy Installation & High Torque Capability: Hex socket head with 3/32" drive allows for secure tool engagement and efficient tightening in confined spaces.
• Reliable Thread Engagement: UNC coarse threads with Class 2A fit provide consistent, vibration-resistant fastening, suitable for repeated assembly and disassembly.
• Compliance with Environmental Standards: RoHS 3 and REACH compliance ensures the screw meets stringent regulatory requirements for hazardous substances, supporting sustainable manufacturing practices.
• Versatile Industrial Application: Right-hand thread direction and smooth head texture facilitate quick installation across machinery, automotive, and precision equipment assemblies.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address critical alignment and load-bearing challenges in industrial settings. The alloy steel material, combined with a black oxide finish, offers superior resistance to corrosion and mechanical stress, making it ideal for applications in automotive transmissions, robotic arms, and precision machinery where exact component positioning is crucial. The precise shoulder fit and Class 2A thread tolerance minimize misalignment and vibration loosening, enhancing operational reliability. Its hex socket drive enables efficient installation in tight spaces, reducing assembly time while maintaining high tensile strength. By integrating RoHS and REACH compliance, this fastener supports environmentally conscious production without compromising on performance in harsh conditions.

Specification Summary & Compliance

This shoulder screw adheres to UNC coarse thread standards with a Class 2A thread fit for consistent engagement. Dimensions include a shoulder diameter of 3/16" (tolerance: -0.001" to 0") and shoulder length of 5/16" (tolerance: 0" to 0.002"), ensuring precision in manufacturing. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances. The screw meets industry benchmarks for mechanical properties, including Rockwell C32 hardness and 140,000 psi tensile strength, supporting reliable use in engineering applications.