S-90269A510 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel material, ideal for harsh or chemical-exposed environments.
• Enhanced assembly precision due to Class 5g6g thread fit, ensuring reliable engagement and reduced risk of cross-threading.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for durable, load-bearing applications.
• Secure and easy installation with a hex socket drive and 2.5 mm drive size, allowing for high torque application and knurled head for improved grip.
• Accurate component alignment provided by the 5 mm shoulder diameter and 7 mm shoulder length, minimizing part movement.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in various industrial sectors.
• Consistent performance in metric systems with M3 x 0.5 mm coarse thread, facilitating compatibility and interchangeability.

Professional Applications & Engineering Value

This M3 shoulder screw in 316 stainless steel is engineered to address critical needs in precision machinery, automation, and assembly systems. The socket head with hex drive and knurled texture ensures secure fastening in tight spaces, reducing slippage during high-torque applications. Its Class 5g6g thread fit and precise shoulder dimensions (5 mm diameter, 7 mm length) provide exact alignment for rotating parts, bushings, or spacers, minimizing wear and vibration. With excellent corrosion resistance and high tensile strength, it reliably performs in demanding conditions such as marine, chemical processing, and medical equipment, where durability and regulatory compliance are paramount.

Specification Summary & Compliance

This shoulder screw adheres to metric standards with M3 thread size, 0.5 mm pitch, and Class 5g6g thread fit for consistent dimensional accuracy. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring precise assembly. Manufactured from 316 stainless steel with Rockwell B79 hardness, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting use in regulated industries.