S-97345A121 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for reliable performance in harsh industrial environments
• Precise component alignment through 3/16" shoulder diameter with tight tolerance control for stable mounting applications
• High-strength performance delivering 70,000 psi tensile strength and 35,000 psi shear strength for demanding mechanical applications
• Exceptional thread reliability with Class 3A UNC coarse threading ensuring secure fastening and vibration resistance
• Easy installation and removal featuring hex socket drive with knurled head for superior grip during torque application
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Enhanced durability with Rockwell B79 hardness providing excellent wear resistance in high-cycle applications

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw delivers exceptional engineering value in precision assembly applications where corrosion resistance and dimensional stability are critical. The 8-32 UNC coarse threading with Class 3A fit provides superior thread engagement for vibration-prone environments, while the precisely machined shoulder maintains accurate component alignment in rotating assemblies, pivoting mechanisms, and precision spacing applications. The hex socket drive with knurled head texture ensures secure tool engagement during high-torque installations, preventing slippage that can damage fastener heads. Engineered for machinery, automation systems, and electronic enclosures, this shoulder screw solves alignment challenges while withstanding corrosive conditions that would compromise ordinary fasteners.

Specification Summary & Compliance

This precision shoulder screw features 8-32 UNC coarse threading with Class 3A thread fit for superior engagement, maintaining tight tolerances on the 3/16" shoulder diameter (-0.004" to -0.002") and shoulder length (-0.005" to 0.005"). Manufactured to exacting standards using 316 stainless steel, the fastener delivers consistent mechanical properties including 70,000 psi tensile strength and 35,000 psi minimum shear strength. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international regulatory requirements for industrial and commercial applications.