S-90269A540 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life
• Precise component alignment ensured by the 5mm shoulder with controlled diameter tolerance for reliable assembly
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
• Secure, tamper-resistant fastening with a smooth socket head and 3 mm hex drive for clean installation and high torque transfer
• Optimized thread engagement with Class 5g6g metric coarse threads providing excellent vibration resistance and quick assembly
• Enhanced durability from Rockwell B79 hardness, maintaining integrity under mechanical stress and repeated use
• Compliance with global standards including RoHS 3 and REACH, ensuring environmental and safety regulations are met

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to solve critical alignment and durability challenges in industrial settings. The 316 stainless steel material provides exceptional resistance to chemicals, moisture, and extreme temperatures, making it perfect for marine equipment, food processing machinery, and chemical processing applications. The precision-machined 5mm shoulder acts as a built-in spacer or pivot, eliminating the need for additional components and ensuring perfect alignment of assembled parts. The socket head with hex drive allows for high torque application in confined spaces, while the Class 5g6g coarse thread ensures rapid, secure fastening even in high-vibration environments. This combination of features reduces assembly time, minimizes part failure, and extends maintenance intervals in demanding engineering applications.

Specification Summary & Compliance

This precision shoulder screw features an M4 x 0.7mm coarse metric thread with a Class 5g6g thread fit for consistent performance. The shoulder diameter is manufactured to a tight tolerance of -0.072 to -0.01 mm, and the shoulder length is held to 0 to 0.25 mm tolerance, ensuring high dimensional accuracy. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to strict environmental and safety standards for industrial components.