S-91273A917 10-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and washdown applications.
• Precise component alignment and pivot points ensured by the 2" long, accurately machined shoulder with a standard fit.
• High-strength performance under load with a tensile strength of 70,000 psi and a minimum shear strength of 35,000 psi.
• Secure, high-torque installation using the 3/32" hex socket drive, combined with a knurled head for enhanced grip.
• Reliable, fine-thread engagement with the 10-32 UNF thread and Class 2A fit, providing vibration resistance and secure fastening.
• Long-term durability and material integrity backed by a Rockwell B55 hardness rating.
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to solve critical alignment and pivot challenges in demanding assemblies. The extended 2" shoulder length acts as a precise dowel or axle, eliminating the need for separate bushings and reducing assembly complexity in machinery, automation systems, and precision instruments. The 10-32 UNF fine thread and Class 2A fit ensure a secure, vibration-resistant connection, which is vital for maintaining accuracy in moving parts. The combination of corrosion-resistant material, high tensile strength, and a knurled head for tool-free adjustment makes it an indispensable component for OEMs and maintenance engineers in industries like packaging, robotics, and automotive manufacturing, where reliability and precision are non-negotiable.

Specification Summary & Compliance

This shoulder screw adheres to the inch system with a 10-32 UNF thread and a Class 2A thread fit for standard, reliable engagement. The shoulder diameter is 3/16" with a tolerance of -0.004" to -0.002", and the shoulder length is 2" with a tolerance of -0.005" to 0.005", ensuring high dimensional accuracy. The product is manufactured to be fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent international regulations for hazardous substances.