S-8077A235 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life
• Enhanced durability and wear resistance from the Black Oxide finish, providing added protection against abrasion
• High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength for demanding mechanical applications
• Precise thread engagement with Class 3A fit and UNC coarse threading, ensuring reliable fastening and vibration resistance
• Secure and easy installation thanks to the knurled socket head and hex drive, preventing tool slippage during torque application
• Accurate alignment and spacing provided by the precisely toleranced shoulder diameter and length for consistent assembly
• Compliance with environmental standards including RoHS 3 and REACH, making it suitable for regulated industries

Professional Applications & Engineering Value

This 316 Stainless Steel shoulder screw is engineered to address critical challenges in industrial settings, such as corrosion in humid or chemical-exposed environments. The Black Oxide finish not only enhances aesthetic appeal but also adds a layer of protection against wear and galling, which is vital in high-cycle machinery. The UNC coarse thread and Class 3A fit provide excellent holding power and resistance to loosening under vibration, making it ideal for applications in automotive assemblies, precision instruments, and conveyor systems. The knurled socket head design ensures secure tool engagement, reducing the risk of damage during installation and maintenance. With its robust tensile and shear strength, this screw delivers reliable performance in demanding applications, minimizing downtime and maintenance costs.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional tolerances, including a Class 3A thread fit for superior accuracy and a shoulder diameter tolerance of -0.004" to -0.002". It conforms to UNC thread standards with coarse spacing and is manufactured from 316 Stainless Steel with a Rockwell B79 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.