S-90318A850 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel material, ideal for harsh environments like marine or chemical processing.
• High strength and durability offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable load-bearing in demanding applications.
• Precise alignment and reduced wear due to the precise shoulder fit (6mm diameter, 4mm length) ensuring accurate component positioning.
• Easy installation in tight spaces with the ultra-low hex socket head and 3 mm drive size, allowing efficient assembly with standard tools.
• Consistent thread performance with Class 6g thread fit and coarse M5x0.8mm pitch, providing secure fastening and vibration resistance.
• Enhanced hardness and wear resistance from Rockwell B70 rating, extending service life in high-stress industrial settings.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries worldwide.

Professional Applications & Engineering Value

This M5 shoulder screw in 316 stainless steel is engineered to address common industrial challenges such as misalignment and corrosion in precision assemblies. The ultra-low hex socket head design allows for compact installations in confined spaces, while the precise shoulder fit with a 6mm diameter and 4mm length ensures accurate alignment in machinery, reducing wear and improving operational efficiency. With a Class 6g thread tolerance and coarse pitch, it provides reliable fastening in high-vibration environments like automotive, aerospace, and electronics. The material's inherent resistance to chemicals and moisture makes it suitable for applications in marine equipment, food processing, and medical devices, delivering long-term reliability and reduced maintenance costs.

Specification Summary & Compliance

This metric shoulder screw features precise dimensions including a shoulder diameter of 6 mm (tolerance: -0.025 to 0 mm) and shoulder length of 4 mm (tolerance: 0 to 0.05 mm), with Class 6g thread fit for accurate assembly. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory acceptance in global markets.