S-90269A197 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior Corrosion Resistance: Crafted from 316 Stainless Steel, offering excellent protection against harsh environments, reducing maintenance and replacement costs.
• Precise Alignment & Pivot Function: The 25mm shoulder with controlled tolerances ensures accurate component location and smooth rotational movement.
• High Mechanical Strength: With a 70,000 psi tensile strength and 35,000 psi minimum shear strength, this screw provides reliable performance under significant loads.
• Secure & Slippage-Resistant Installation: The knurled head and hex socket drive allow for a firm grip and high-torque application without cam-out.
• Guarded Thread Integrity: The Class 5g6g thread fit ensures consistent, reliable engagement with mating parts, minimizing the risk of cross-threading.
• Streamlined Assembly Process: The coarse 0.4mm pitch thread enables faster installation, increasing production line efficiency.
• Guaranteed Regulatory Compliance: Meets RoHS 3 and REACH standards, ensuring the fastener is safe for use in regulated markets and applications.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to solve critical alignment and durability challenges in precision assemblies. The 316 Stainless Steel construction provides exceptional corrosion resistance, making it ideal for medical devices, food processing equipment, and marine applications where moisture and chemicals are present. The 25mm shoulder length acts as a precise datum for locating gears, bearings, and linkages, eliminating the need for additional spacers and reducing assembly complexity. The Class 5g6g thread and hex socket drive ensure secure fastening in confined spaces, providing a reliable, vibration-resistant connection that maintains integrity in dynamic industrial environments.

Specification Summary & Compliance

This precision metric shoulder screw features an M2 x 0.4mm coarse thread with a Class 5g6g tolerance for a secure fit. The shoulder diameter is held to a tight tolerance of -0.072 to -0.01 mm, and the shoulder length is 25 mm with a 0 to 0.25 mm tolerance. It is manufactured from 316 Stainless Steel with a hardness of Rockwell B79. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.