S-97345A359 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• High-strength performance delivering 70,000 psi tensile and 35,000 psi shear strength for demanding mechanical applications
• Precision alignment and rotation enabled by the 3/16" diameter shoulder with tight tolerances for reduced vibration and wear
• Secure hex drive installation with 3/32" hex socket and knurled head for non-slip torque application
• Reliable thread engagement with Class 3A UNC coarse threads ensuring consistent fastening in high-vibration settings
• Extended service life from Rockwell B79 hardness and robust shoulder design resisting deformation under load
• Global compliance assurance meeting RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 3" shoulder length provides a stable pivot or spacer in machinery, while the 8-32 UNC Class 3A thread offers superior resistance to loosening in high-vibration environments like robotics and automotive systems. The knurled socket head enhances grip during installation, reducing tool slippage. With excellent corrosion resistance, it performs reliably in marine, chemical processing, and outdoor equipment, minimizing maintenance downtime and replacement costs.

Specification Summary & Compliance

This shoulder screw features 8-32 UNC Class 3A threads with a coarse pitch, ensuring precise fit. The shoulder diameter is 3/16" with a tolerance of -0.004" to -0.002", and the shoulder length is 3" with a tolerance of -0.005" to 0.005". Manufactured to high standards, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity for industrial use.