S-90269A514 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.
• Enhanced torque transmission and slip resistance from the knurled socket head and 2.5mm hex drive for reliable, secure fastening.
• High mechanical strength and durability with a tensile strength of 70,000 psi and Rockwell B79 hardness to withstand significant loads.
• Precision alignment and component positioning enabled by the 8mm shoulder with controlled diameter tolerance for smooth assembly.
• Reliable thread engagement with a Class 5g6g thread fit and M3 x 0.5mm coarse pitch for quick installation and vibration resistance.
• Compliance with stringent environmental regulations, including RoHS 3 and REACH, ensuring safety and suitability for global markets.
• Versatile right-hand metric thread design for broad compatibility with standard industrial components and equipment.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical challenges in precision assembly and machinery. The 316 Stainless Steel material offers exceptional resistance to corrosion and chemicals, making it suitable for applications in marine, chemical processing, and food-grade environments where durability is paramount. The integrated 8mm shoulder provides a precise pivot point or bearing surface, eliminating the need for additional spacers and reducing assembly time and complexity. The knurled socket head with a 2.5mm hex drive ensures maximum torque application without stripping, which is vital for high-vibration settings like automotive or robotics. With its Class 5g6g thread fit and coarse pitch, it ensures fast, secure fastening in dynamic load conditions, enhancing overall equipment reliability and reducing maintenance cycles.

Specification Summary & Compliance

This precision shoulder screw adheres to metric thread standards with an M3 x 0.5mm coarse pitch and Class 5g6g thread fit for consistent dimensional accuracy. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring precise component alignment. Manufactured from 316 Stainless Steel, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting use in regulated industrial and electronic applications without hazardous substances.