S-90269A456 M1.6 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 3mm shoulder diameter with controlled tolerance, reducing assembly errors.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance in demanding applications.
• Secure, tamper-resistant fastening with a 2mm hex socket drive and knurled head for improved grip during installation.
• Consistent thread engagement due to Class 5g6g thread fit and coarse 0.35mm pitch, enabling quick and stable assembly.
• Durable material hardness rated at Rockwell B79, providing excellent wear resistance and longevity.
• Global regulatory compliance with RoHS 3 and REACH, ensuring safety and environmental standards are met for international supply chains.

Professional Applications & Engineering Value

This M1.6 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 316 Stainless Steel material offers exceptional resistance to corrosion and chemicals, making it suitable for medical devices, electronics, and marine equipment where moisture exposure is a concern. The hex socket head with a knurled texture ensures secure tool engagement, minimizing slippage and damage during high-torque installations. With a coarse thread pitch of 0.35mm, it facilitates rapid assembly while maintaining strong holding power. The precisely machined shoulder provides accurate positioning for rotating parts like gears and pulleys, reducing wear and vibration in mechanical systems. This industrial-grade fastener enhances assembly reliability, lowers maintenance needs, and supports efficient production workflows.

Specification Summary & Compliance

The screw features a Class 5g6g thread fit per metric standards, ensuring dimensional accuracy and interchangeability. Shoulder diameter tolerance is controlled between -0.072 to -0.01 mm, and shoulder length tolerance from 0 to 0.25 mm, supporting precise engineering fits. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial applications.