S-90269A129 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 Stainless Steel construction, ideal for chemical processing and marine applications
• Precise component alignment and smooth rotation enabled by the 5mm diameter shoulder with controlled tolerances, reducing assembly time and wear
• High mechanical strength and durability with 70,000 PSI tensile strength and Rockwell B79 hardness for reliable performance under load
• Secure, high-torque installation using the standard 2.5mm hex socket drive, minimizing stripping and ensuring consistent clamping force
• Accurate and reliable thread engagement with Class 5g6g metric coarse thread (M4x0.7mm), providing excellent fit and vibration resistance
• Enhanced grip during manual adjustment from the knurled head texture, facilitating handling in confined spaces
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safety and regulatory acceptance for international projects

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 316 Stainless Steel material offers exceptional resistance to corrosion and oxidation, making it suitable for demanding environments like food processing, medical devices, and outdoor machinery. The precision-machined 5mm shoulder diameter and 10mm shoulder length provide a stable pivot or bearing surface, eliminating the need for additional bushings and reducing assembly complexity. Combined with the Class 5g6g coarse thread and hex socket drive, it ensures quick, secure fastening in high-vibration settings, enhancing equipment longevity and minimizing maintenance downtime for engineers and OEMs.

Specification Summary & Compliance

This precision shoulder screw adheres to metric system standards with an M4x0.7mm coarse thread fit of Class 5g6g, ensuring dimensional accuracy. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, guaranteeing consistent performance. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and global industrial use.