S-92012A539 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability and Corrosion Resistance: Black oxide finish on alloy steel provides reliable protection against rust and wear, extending service life in harsh industrial environments.
• Superior Tensile Strength: With 140,000 psi tensile strength, this screw ensures secure fastening under high-stress conditions, reducing the risk of failure.
• Precise Shoulder Dimensions: Accurate shoulder diameter and length tolerances enable exact positioning and alignment in assemblies, minimizing misalignment issues.
• Fine Thread Accuracy: Class 2A thread fit with UNF fine threads offers tight, vibration-resistant connections for improved stability in dynamic applications.
• High Hardness for Wear Resistance: Rockwell C32 hardness enhances the screw's ability to withstand abrasion and repeated use without deformation.
• Easy Installation with Hex Drive: Socket head with 1/8" hex drive allows for simple, tool-friendly installation and removal, saving time during assembly.
• Compliance with Environmental Standards: RoHS 3 and REACH compliance ensures safe, eco-friendly use in various industries, meeting regulatory requirements.

Professional Applications & Engineering Value

This 10-32 UNF shoulder screw is engineered to address critical challenges in precision machinery and industrial equipment, where exact shoulder dimensions and reliable fastening are paramount. Made from alloy steel with a black oxide finish, it combats corrosion and wear in demanding environments like automotive assemblies, robotics, and aerospace components. The Class 2A thread fit and fine thread spacing ensure vibration resistance and tight seals, preventing loosening in high-vibration applications. Its socket head design with a hex drive facilitates quick installation, reducing downtime in production lines. By offering consistent performance in precision fasteners, this screw enhances operational efficiency and longevity in sectors requiring meticulous alignment and strength.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 2A thread fit for accurate UNF threading and tight tolerances on shoulder diameter (1/4" with -0.001" to 0" tolerance) and length (5/8" with 0" to 0.002" tolerance). Manufactured from alloy steel with a black oxide finish, it meets industry specifications for hardness (Rockwell C32) and tensile strength (140,000 psi). Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures environmental safety and regulatory adherence for industrial use.