S-92944A134 5/16"-18 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and reducing replacement frequency.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads, minimizing the risk of mechanical failure.
• Precise Class 3A thread fit provides excellent engagement and vibration resistance in assembled components.
• 1" shoulder length with tight tolerances offers accurate alignment and spacing, reducing assembly time and improving product consistency.
• Hex drive design (7/32") allows for easy installation and removal with standard tools, enhancing maintenance efficiency.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets global industry standards for hazardous substances.
• 82° standard countersink angle enables a flush fit in applications, providing a clean finish and improved aesthetics.

Professional Applications & Engineering Value

This shoulder screw is engineered to address critical alignment and durability challenges in industrial settings. The 18-8 stainless steel material offers excellent resistance to corrosion and oxidation, making it suitable for machinery, automotive assemblies, and electronic enclosures exposed to moisture or chemicals. The 5/16"-18 UNC coarse thread and Class 3A fit ensure secure fastening in high-vibration environments, reducing loosening over time. With a 1" shoulder length and precise diameter tolerances, it provides stable pivoting or spacing in rotating parts, such as gears and linkages, enhancing operational accuracy and longevity. The hex drive and flat head design facilitate quick installation, streamlining production processes while maintaining RoHS and REACH compliance for safe, sustainable use.

Specification Summary & Compliance

This shoulder screw features a 5/16"-18 UNC coarse thread with Class 3A fit for precise thread engagement, and a shoulder diameter of 3/8" with tight tolerances (-0.004" to -0.002") to ensure accurate alignment. It adheres to standard manufacturing specifications, including a Rockwell B55 hardness and minimum shear strength of 35,000 psi. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing it meets environmental and safety standards for industrial applications.