S-90265A123 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional mechanical strength offering a tensile strength of 70,000 psi and shear strength of 35,000 psi for reliable performance under load.
• Precision location and pivoting enabled by the 16mm shoulder with controlled diameter tolerance, ensuring accurate component alignment.
• Secure and easy installation with a 2mm hex socket drive and a knurled head for improved grip and reduced tool slippage.
• Consistent and reliable thread engagement due to the M3x0.5 coarse thread with Class 5g6g fit, facilitating faster assembly.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets.
• Durable and wear-resistant material hardened to Rockwell B55, maintaining integrity through repeated use.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical challenges in precision assembly and motion control applications. The 18-8 stainless steel provides excellent resistance to rust and corrosion, making it suitable for machinery, electronics, and automotive components exposed to moisture or chemicals. The integrated 16mm shoulder acts as a precise shaft for locating parts, bearings, or linkages, eliminating the need for separate spacers and reducing assembly complexity. The knurled head texture and 2mm hex drive ensure secure tool engagement, preventing cam-out and damage during tightening in confined spaces. With its Class 5g6g thread fit and robust 70,000 psi tensile strength, this metric socket head shoulder screw delivers reliable fastening in high-vibration environments, enhancing the longevity and accuracy of your mechanical designs.

Specification Summary & Compliance

This precision shoulder screw features an M3x0.5 coarse metric thread with a Class 5g6g thread fit for standard tolerance applications. The shoulder diameter is manufactured to a tight tolerance of -0.072 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. It is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial components.