S-91273A129 10-24 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise alignment and smooth rotation ensured by the 3/16" diameter shoulder with tight tolerances
• High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
• Easy installation and removal using the 3/32" hex drive and knurled head for enhanced grip
• Reliable thread engagement with Class 2A fit and coarse 10-24 UNC threads for secure fastening
• Environmental compliance meeting RoHS 3 and REACH standards for safe, sustainable use
• Consistent hardness at Rockwell B55 providing excellent wear resistance and durability

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 3/16" shoulder length provides a stable bearing surface for rotating components like gears, pulleys, and linkages, reducing wear and maintaining precise positioning. The coarse 10-24 UNC threads with Class 2A fit ensure quick assembly and reliable holding power in vibrating environments. With a knurled socket head and hex drive, installation is straightforward even in confined spaces. Its high tensile strength and corrosion resistance make it ideal for machinery, automotive, and electronic equipment where long-term reliability is essential.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent precision. The shoulder diameter is 3/16" with a tolerance of -0.004" to -0.002", and the shoulder length is 3/4" with a tolerance of -0.005" to 0.005". It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial applications.