S-8077A229 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 316 Stainless Steel construction, ideal for harsh environments and extending service life.
• Exceptional mechanical strength with a 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable performance under high stress.
• Precise and secure fit ensured by the Class 3A thread fit, minimizing backlash and enhancing assembly accuracy.
• Enhanced grip and reduced tool slippage from the knurled socket head, facilitating easier installation and removal.
• Durable, wear-resistant surface provided by the Black Oxide finish, which also offers a sleek appearance and added corrosion protection.
• Broad compatibility and easy drive with a standard 3/32" hex drive and 8-32 UNC coarse threads, simplifying integration into various assemblies.
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in regulated industries.

Professional Applications & Engineering Value

This 316 Stainless Steel Shoulder Screw is engineered to address critical challenges in precision assemblies, such as in machinery, automotive, and aerospace sectors. The Black Oxide finish enhances durability and corrosion resistance, making it suitable for demanding environments where moisture and chemicals are present. Its 8-32 UNC coarse threads and Class 3A fit provide a tight, reliable connection that reduces vibration loosening and ensures long-term stability. The knurled socket head with a 3/32" hex drive allows for secure tool engagement, speeding up installation while minimizing wear. Ideal for pivots, spacers, and rotating components, this screw delivers consistent performance, backed by high tensile and shear strength, to prevent failures and reduce maintenance costs in industrial applications.

Specification Summary & Compliance

This shoulder screw features precise dimensions, including a shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005", ensuring consistent Class 3A thread fit per UNC standards. Manufactured from 316 Stainless Steel with a Rockwell B79 hardness, it meets rigorous performance criteria. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing adherence to environmental and safety standards for industrial use.