S-92012A572 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 140,000 psi tensile strength and Rockwell C32 hardness, ensuring reliable performance under high-stress conditions.
• Superior corrosion resistance provided by the black oxide finish, extending service life in harsh industrial environments.
• Precise alignment and smooth rotation due to the smooth shoulder with tight diameter and length tolerances, reducing wear and vibration.
• Easy installation and removal with the hex socket drive, allowing for high torque application without slipping.
• Consistent thread engagement from the Class 2A UNC coarse thread fit, preventing cross-threading and ensuring secure fastening.
• Broad material compatibility as the alloy steel construction offers excellent mechanical properties for diverse applications.
• Environmental and regulatory compliance with RoHS 3 and REACH, making it safe for use in regulated industries.

Professional Applications & Engineering Value

This 8-32 UNC shoulder screw is engineered to address critical alignment and load-bearing challenges in industrial machinery. The alloy steel material, combined with a black oxide finish, provides robust resistance to corrosion and wear, ideal for applications in automotive assemblies, precision instruments, and heavy equipment. The smooth shoulder with precise tolerances ensures minimal clearance, facilitating accurate pivot points and reducing component misalignment. Its coarse thread spacing and Class 2A thread fit enable quick assembly and disassembly, while the hex drive design allows for efficient torque transmission in confined spaces. By integrating high tensile strength and hardness, this screw minimizes failure risks, enhancing operational reliability and reducing maintenance costs in demanding environments.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. Key specifications include a thread size of 8-32, shoulder diameter of 3/16" (tolerance: -0.001" to 0"), and shoulder length of 7/8" (tolerance: 0" to 0.002"). It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.