S-8077A446 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and extended service life.
• Enhanced durability and wear resistance from the Black Oxide finish, providing added protection against rust and reducing maintenance needs.
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable load-bearing in demanding applications.
• Precise thread engagement with Class 3A fit and UNC coarse threads, ensuring secure fastening and reduced risk of cross-threading.
• Secure and easy installation featuring a knurled socket head with hex drive, allowing for high torque application and improved grip.
• Accurate shoulder positioning with tight tolerances on diameter and length, enabling precise alignment in assemblies.
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

This 10-24 UNC thread shoulder screw is engineered to address critical challenges in precision machinery and industrial assemblies. The 316 Stainless Steel material provides exceptional resistance to corrosion and chemicals, making it suitable for applications in marine, chemical processing, and food equipment where moisture and corrosive agents are prevalent. The Black Oxide finish further enhances surface durability, reducing friction and wear during operation. With its Class 3A thread fit and coarse UNC thread type, it ensures reliable fastening in high-vibration environments, minimizing loosening over time. The knurled socket head and hex drive design facilitate easy installation and removal, even in confined spaces, while the precise shoulder dimensions allow for accurate component alignment in pivots, bearings, and linkages. This screw delivers consistent performance in industrial shoulder screw applications, supporting efficient assembly processes and reducing downtime.

Specification Summary & Compliance

This shoulder screw features a 10-24 UNC thread with Class 3A thread fit for precise dimensional accuracy, and includes a shoulder diameter of 1/4" with tight tolerances for reliable fit. It meets ASME B18.3 specifications for dimensional standards, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for use in regulated industries.