S-91273A927 5/8"-11 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for reliable performance in harsh industrial environments
• Enhanced load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for demanding mechanical applications
• Precise alignment and smooth rotation thanks to the 3" shoulder length with tight diameter tolerance for accurate component positioning
• Secure installation and removal with 5/16" hex socket drive and knurled head texture preventing tool slippage
• Reliable thread engagement through 5/8"-11 UNC coarse threads with Class 2A fit ensuring vibration resistance
• Consistent mechanical properties with Rockwell B55 hardness maintaining dimensional stability under stress
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for global industrial use

Professional Applications & Engineering Value

This stainless steel shoulder screw delivers critical engineering solutions where precise alignment and rotational movement are paramount. The 3" shoulder length with controlled diameter tolerance provides an exact bearing surface for gears, pulleys, and linkages, eliminating misalignment issues in industrial machinery. Manufactured from 18-8 stainless steel, it resists corrosion in demanding environments while maintaining 70,000 psi tensile strength under dynamic loads. The 5/8"-11 UNC coarse thread with Class 2A fit ensures secure fastening in high-vibration applications, while the hex socket head with knurled texture enables reliable torque transmission during assembly. These features make it ideal for precision equipment, automotive systems, and manufacturing fixtures where dimensional accuracy and durability are critical.

Specification Summary & Compliance

This shoulder screw maintains Class 2A thread fit per UNC standards with shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005". Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety for industrial applications worldwide.