S-91273A396 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh or humid environments without compromising integrity.
• High tensile and shear strength (70,000 psi tensile, 35,000 psi min shear) ensures reliable performance under heavy mechanical loads.
• Precise thread and shoulder fit with Class 5g6g thread tolerance and controlled shoulder diameter tolerance for accurate alignment and reduced vibration.
• Easy installation and removal thanks to the hex socket drive and knurled head, providing secure grip and torque application.
• Durable and wear-resistant with Rockwell B55 hardness, maintaining structural integrity over repeated use.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Versatile coarse thread design (M5x0.8) allows for quick assembly and strong holding power in various materials.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical stress. Made from 18-8 Stainless Steel, it offers excellent resistance to rust and chemicals, making it suitable for applications in machinery, automotive assemblies, and electronic enclosures where exposure to moisture or contaminants is a concern. The 40mm shoulder length provides a precise pivot or spacer function, reducing wear on moving parts and ensuring accurate component positioning. Combined with the hex socket drive and knurled head, it allows for efficient installation in tight spaces, minimizing downtime. Its metric coarse thread and high strength make it ideal for securing parts in high-vibration environments, enhancing overall system reliability and longevity.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit for precise metric threading, with shoulder diameter tolerance of -0.04 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring consistent performance in precision assemblies. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting environmentally responsible manufacturing and use in global markets.