S-97345A471 10-32 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for reliable performance in harsh industrial environments
• Precise thread engagement with Class 3A fit ensuring secure fastening and vibration resistance in critical applications
• Enhanced torque transmission through knurled socket head design preventing tool slippage during installation
• High mechanical strength with 70,000 psi tensile strength and 35,000 psi shear strength for demanding load conditions
• Accurate shoulder positioning with controlled diameter and length tolerances for precise component alignment
• Industry standard compliance meeting ASME B18.3 specifications for guaranteed interchangeability and quality
• Environmental regulation adherence with RoHS 3 and REACH compliance for global manufacturing applications

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw delivers exceptional engineering value in precision applications requiring both structural support and rotational freedom. The 10-32 UNF fine thread with Class 3A fit provides superior vibration resistance in automated machinery, while the precisely machined shoulder maintains accurate component alignment in assemblies. The knurled socket head ensures positive drive engagement, preventing costly tool slippage in high-torque applications. Ideal for industrial equipment, precision instruments, and rotating mechanisms, this corrosion-resistant fastener maintains integrity in challenging environments where moisture, chemicals, or temperature variations would compromise ordinary fasteners. The combination of 70,000 psi tensile strength and controlled shoulder dimensions makes it particularly valuable in applications requiring both structural integrity and precise component spacing.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit for superior engagement and UNF fine thread specifications. Shoulder diameter maintained at 1/4" with tolerance of -0.004" to -0.002" and shoulder length of 15/32" with tolerance of -0.005" to 0.005" for precision alignment. Fully compliant with ASME B18.3 manufacturing standards, RoHS 3 (2015/863/EU) for hazardous substance restriction, and REACH (EC 1907/2006) regulations for chemical safety in industrial applications.