S-94731A450 3/8"-16 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• High mechanical strength offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable load-bearing applications
• Precision alignment enabled by the 1/2" shoulder diameter, ensuring accurate component positioning
• Easy installation and removal with external hex drive and coarse UNC threads for efficient assembly
• Consistent thread quality with Class 2A fit, providing secure fastening with standard mating parts
• Enhanced durability from Rockwell B55 hardness, resisting wear in high-cycle applications
• Regulatory compliance meeting RoHS 3 and REACH standards for safe, environmentally conscious usage

Professional Applications & Engineering Value

This 3/8"-16 UNC shoulder screw delivers critical engineering solutions where precision alignment and robust fastening are paramount. The 18-8 stainless steel material resists oxidation and chemical exposure, making it suitable for machinery, automation systems, and outdoor equipment. Its 1/2" shoulder diameter acts as a precise pivot or spacer, eliminating misalignment in assemblies like rotating shafts, linkages, and bearing mounts. The coarse thread and external hex drive facilitate quick installation, reducing assembly time in production lines. With a 70,000 psi tensile strength, it withstands dynamic loads and vibrations, ensuring long-term reliability in demanding industrial applications.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent engagement. Dimensions include a shoulder diameter of 1/2" (tolerance: -0.004" to 0") and thread length of 3/4". It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety compliance. Manufactured to precise tolerances, it meets industry expectations for mechanical performance and reliability.