S-90263A127 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Precise component alignment ensured by the smooth 4mm shoulder diameter with tight tolerance for reliable assembly
• High mechanical strength delivering 70,000 psi tensile strength and Rockwell B79 hardness for demanding applications
• Secure tamper-resistant fastening with the 2mm hex socket drive, providing a clean finish and reduced slip
• Enhanced durability and longevity from the passivated surface finish, improving wear and corrosion resistance
• Accurate and consistent threading with Class 6g fit and M3x0.5 coarse pitch for quick, reliable installation
• Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical challenges in precision assemblies, such as maintaining exact part alignment and resisting operational stresses. Made from 316 stainless steel, it offers exceptional resistance to corrosion and high temperatures, making it suitable for industries like aerospace, medical devices, and marine equipment. The socket head with 2mm hex drive allows for compact installation in tight spaces, while the passivated finish enhances surface durability against wear and chemical exposure. With a 14mm shoulder length and precise tolerances, it provides stable rotational support in machinery, reducing vibration and component wear. This design ensures reliable performance in high-tensile applications, from robotic arms to electronic enclosures, where failure is not an option.

Specification Summary & Compliance

The screw features a Class 6g thread fit per metric standards, ensuring consistent engagement and ease of assembly. Dimensions include a shoulder diameter of 4mm with a tolerance of -0.025 to 0 mm and shoulder length of 14mm with 0 to 0.05 mm tolerance for high precision. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to environmental and safety standards without hazardous substances.