S-8077A172 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance in harsh environments due to 316 stainless steel construction and protective black oxide finish
• Precise component alignment with Class 3A thread fit ensuring reliable assembly and vibration resistance
• High-strength performance supporting heavy loads with 70,000 psi tensile strength and 35,000 psi minimum shear strength
• Secure, non-slip installation through knurled head texture and hex drive design for superior torque application
• Dimensional stability with tight shoulder diameter and length tolerances maintaining consistent positioning
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Optimized for coarse-thread applications with UNC thread spacing providing rapid assembly in softer materials

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw delivers critical engineering solutions where corrosion resistance and precision alignment are paramount. The combination of black oxide finish and marine-grade stainless steel provides superior protection against chemicals, moisture, and extreme temperatures, making it ideal for marine equipment, food processing machinery, and chemical processing applications. The Class 3A thread fit ensures tight tolerances that prevent loosening under vibration while the knurled socket head allows for secure tool engagement during installation. The precisely machined shoulder maintains accurate component spacing in rotating assemblies, bearings, and linkages, reducing wear and extending equipment service life in demanding industrial environments.

Specification Summary & Compliance

This shoulder screw features 6-32 UNC coarse threads with Class 3A fit for precision assembly, manufactured to exacting dimensional tolerances including shoulder diameter (-0.004" to -0.002") and length (-0.005" to 0.005"). The component meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards, ensuring environmental regulatory adherence for international industrial applications. Material hardness is certified at Rockwell B79 with mechanical properties including 70,000 psi tensile strength and 35,000 psi minimum shear strength.