S-8077A453 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and Black Oxide finish, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance in high-stress applications.
• Precise alignment and smooth rotation ensured by the standard shoulder fit and Class 3A thread fit, reducing wear and assembly time.
• Secure, non-slip fastening facilitated by the knurled socket head and 1/8" hex drive, allowing for high-torque installation.
• Broad industry compliance meeting ASME B18.3 standards and RoHS/REACH regulations, ensuring quality and environmental safety.
• Optimized for durability with a Rockwell B79 hardness, providing excellent resistance to deformation under load.
• Versatile coarse UNC threading (10-24) for quick assembly and disassembly in various industrial machinery and equipment.

Professional Applications & Engineering Value

This 10-24 UNC shoulder screw is engineered to address critical challenges in precision assemblies, such as in machinery, automotive, and aerospace sectors. The 316 Stainless Steel material, combined with a Black Oxide finish, offers outstanding resistance to corrosion and chemicals, making it suitable for outdoor or chemically aggressive environments. The socket head with a knurled texture and hex drive ensures a firm grip, preventing tool slippage during high-torque applications. Its Class 3A thread fit and standardized shoulder dimensions provide exact positioning and smooth rotational movement, reducing friction and component wear. This design is ideal for applications requiring precise pivot points, bearing surfaces, or spacers, enhancing overall equipment reliability and reducing maintenance costs.

Specification Summary & Compliance

The screw features a Class 3A thread fit with UNC coarse threading (10-24) for precise engagement, and shoulder dimensions including a diameter of 1/4" (tolerance: -0.004" to -0.002") and length of 3/16" (tolerance: -0.005" to 0.005"). It is manufactured in compliance with ASME B18.3 specifications and adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry-standard quality for reliable fastening solutions.