S-91273A195 5/16"-24 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise component alignment ensured by the 1" shoulder with tight diameter tolerance for reduced vibration and wear
• High-strength performance delivering 70,000 psi tensile strength and 35,000 psi shear strength for heavy-duty applications
• Secure, non-slip installation with the knurled hex socket head providing excellent grip during tightening
• Fine thread engagement with 5/16"-24 UNF Class 2A threads offering superior vibration resistance and clamping force
• Reliable mechanical properties backed by Rockwell B55 hardness for consistent durability under load
• Global compliance ready meeting RoHS 3 and REACH regulations for use in regulated industries

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to solve critical alignment challenges in machinery, automation, and precision assembly systems. The 1" shoulder length acts as a precise pivot or axle, eliminating bushing needs and reducing component wear. The 5/16"-24 UNF fine thread provides excellent resistance to loosening under vibration, crucial for dynamic industrial equipment. With its knurled hex socket head, installers achieve secure torque application without slippage, maintaining alignment integrity in high-stress applications like robotics, conveyor systems, and fixturing.

Specification Summary & Compliance

Manufactured to precise dimensional standards including Class 2A thread fit and shoulder diameter tolerance of -0.004" to -0.002". The screw conforms to UNF thread specifications with 5/16"-24 fine threading and 7/16" thread length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met for industrial fastener applications.