S-92012A502 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Durability: Crafted from high-strength alloy steel with a tensile strength of 140,000 psi and Rockwell C32 hardness, ensuring long-lasting performance in demanding industrial environments.
• Precision Shoulder Fit: Features a precise 1/2" shoulder diameter and 5/8" shoulder length with tight tolerances, providing accurate alignment and reduced wear in assemblies.
• Corrosion Resistance: Black oxide finish offers reliable protection against rust and corrosion, extending the screw's service life in various operating conditions.
• Easy Installation: Hex socket drive (1/4" size) allows for secure, high-torque installation with standard tools, minimizing slippage and improving efficiency.
• Reliable Thread Performance: UNC coarse threads with Class 2A fit ensure smooth engagement and strong holding power, suitable for high-vibration applications.
• Broad Compatibility: Right-hand thread direction and standard socket head profile make it versatile for use in machinery, automotive, and other precision equipment.
• Environmental Compliance: Meets RoHS 3 and REACH standards, ensuring safety and regulatory adherence for global industrial supply chains.

Professional Applications & Engineering Value

This alloy steel shoulder screw is engineered to address critical alignment and load-bearing challenges in industrial settings. The precision shoulder diameter of 1/2" and length of 5/8" provide a stable pivot or bearing surface, reducing misalignment and component wear in assemblies like rotating shafts, linkages, and jigs. The black oxide finish enhances corrosion resistance, making it ideal for environments exposed to moisture or chemicals. With UNC coarse threads and a Class 2A thread fit, it ensures quick assembly and reliable performance under high stress, while the hex drive design allows for efficient installation in confined spaces. Commonly used in automotive, aerospace, and machinery applications, this screw delivers consistent engineering value by improving equipment longevity and reducing maintenance needs.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent engagement and a shoulder diameter tolerance of -0.001" to 0" for accurate alignment. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufactured from alloy steel with a tensile strength of 140,000 psi, it is suitable for high-stress applications, with thread specifications following UNC coarse standards for reliable performance.