S-90269A643 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
• High mechanical strength and durability with a tensile strength of 70,000 psi and Rockwell B79 hardness for reliable performance under load.
• Precise alignment and smooth rotation enabled by the 8mm shoulder diameter with tight manufacturing tolerances.
• Secure and easy installation with a 4mm hex socket drive and knurled head for improved grip and torque application.
• Consistent and reliable threading with a Class 5g6g metric thread fit, ensuring compatibility and ease of assembly.
• Robust shear resistance with a minimum shear strength of 35,000 psi for enhanced joint integrity in dynamic applications.
• Compliance with environmental and safety standards, meeting RoHS 3 and REACH regulations for safe use in various industries.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address common industrial challenges such as component misalignment, vibration loosening, and corrosion-induced failure. The 316 Stainless Steel material provides exceptional resistance to chemicals and moisture, making it suitable for marine, chemical processing, and food industry applications. The knurled head and 4mm hex drive facilitate secure handling and high-torque installation, reducing assembly time and improving operational safety. The precision Class 5g6g thread and tightly controlled shoulder diameter tolerance ensure accurate positioning and smooth rotational movement in machinery, pivots, and bearing assemblies, minimizing wear and maintenance needs.

Specification Summary & Compliance

This shoulder screw features an M5 x 0.8mm coarse pitch metric thread with a Class 5g6g thread fit for standard industrial compatibility. The shoulder diameter tolerance is -0.072 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial and commercial use without hazardous substances.