S-90269A124 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life
• Precise alignment and spacing ensured by the 20mm shoulder with controlled diameter tolerance, reducing assembly errors
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under load
• Secure and slip-resistant fastening with a knurled socket head and 2mm hex drive for improved grip during installation
• Consistent thread engagement with Class 5g6g fit and M3 x 0.5mm coarse pitch, enabling quick assembly and vibration resistance
• Compliance with environmental regulations, including RoHS 3 and REACH, ensuring safe use in regulated industries
• Durable material hardness at Rockwell B79, providing excellent wear resistance and long-term reliability

Professional Applications & Engineering Value

This M3 shoulder screw in 316 stainless steel is engineered to address common challenges in precision assemblies, such as misalignment and component wear. The 20mm shoulder length acts as a precise spacer or pivot, maintaining accurate positioning in machinery, automotive, and electronics applications. The coarse pitch thread (M3 x 0.5mm) and Class 5g6g thread fit ensure rapid installation and reduced loosening under vibration, while the knurled socket head with a 2mm hex drive allows for secure tool engagement in confined spaces. Its high tensile and shear strength support demanding industrial applications, and the corrosion-resistant material minimizes downtime in corrosive settings, enhancing overall equipment longevity.

Specification Summary & Compliance

This shoulder screw features a metric thread with M3 x 0.5mm coarse pitch and Class 5g6g thread fit for precise tolerance. The shoulder diameter is 4 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 20 mm with a tolerance of 0 to 0.25 mm, ensuring consistent dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial use.