S-8077A123 3/4"-10 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel material, ideal for harsh environments and extended service life.
• Enhanced durability and wear resistance from the black oxide finish, reducing maintenance and replacement frequency.
• High tensile and shear strength (70,000 psi tensile, 35,000 psi shear) ensures reliable performance under heavy loads and stress.
• Precise Class 3A thread fit provides secure, vibration-resistant fastening for critical assemblies.
• Easy installation and removal with hex drive and knurled head design, improving assembly efficiency.
• Accurate shoulder dimensions with tight tolerances for consistent alignment and reduced part movement.
• Compliance with industry standards including ASME B18.3, RoHS, and REACH, ensuring safety and regulatory adherence.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw with black oxide finish is engineered to address common industrial challenges such as corrosion, misalignment, and mechanical failure. The UNC coarse thread and Class 3A fit ensure quick assembly and high resistance to loosening in vibrating machinery, while the precise shoulder diameter and length provide stable pivoting and spacing in applications like robotics, conveyor systems, and precision instruments. Its high tensile and shear strength makes it suitable for heavy-duty uses, reducing downtime and maintenance costs in demanding environments.

Specification Summary & Compliance

This shoulder screw features a 3/4"-10 UNC thread with Class 3A fit, ensuring dimensional accuracy and reliable performance. It meets ASME B18.3 specifications for consistency and safety, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and health standards in industrial applications.