S-90269A494 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel and black oxide finish, ideal for harsh industrial environments
• Precise alignment and reduced wear due to the 5 mm shoulder diameter with tight tolerance control
• High-strength performance offering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
• Reliable thread engagement with Class 5g6g thread fit ensuring consistent fastening in metric assemblies
• Easy installation and removal using a standard 2.5 mm hex drive and knurled head for improved grip
• Durable construction with Rockwell B79 hardness for long-term mechanical stability
• Compliance with environmental regulations including RoHS 3 and REACH, supporting sustainable procurement

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address common challenges in precision machinery, such as misalignment and component wear. The 316 stainless steel material, combined with a black oxide finish, provides exceptional resistance to corrosion and chemicals, making it suitable for industrial applications in humid or corrosive settings. The Class 5g6g thread fit and coarse M4 x 0.7mm thread ensure secure fastening with minimal risk of stripping, while the shoulder design allows for accurate positioning of moving parts like gears and pulleys. Its hex drive and knurled head facilitate quick assembly, reducing downtime in production lines and maintenance tasks.

Specification Summary & Compliance

This shoulder screw features a metric M4 x 0.7mm thread with Class 5g6g thread fit for precise tolerance. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring accurate fit in assemblies. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible use in various industries.