S-96654A129 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Vibration-resistant performance with permanent nylon patch thread locker that maintains secure fastening under dynamic loads
• Superior corrosion resistance through 18-8 stainless steel construction and passivated surface treatment for harsh environments
• Precise component alignment enabled by 14mm shoulder length with tight tolerances for accurate positioning
• High-strength reliability with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Wide temperature compatibility from -70° to 250°F without compromising locking performance
• Easy installation and removal using standard 2.5mm hex drive while maintaining permanent locking capability
• Industry compliance assurance meeting RoHS 3 and REACH regulations for global manufacturing requirements

Professional Applications & Engineering Value

This M4 shoulder screw delivers critical engineering solutions where vibration resistance and precise alignment are paramount. The nylon patch thread locker provides permanent fastening security in machinery, automation systems, and moving assemblies where loosening could cause operational failure. Manufactured from 18-8 stainless steel with a passivated finish, it withstands corrosive environments while maintaining structural integrity. The 14mm precise shoulder ensures accurate component positioning in jigs, fixtures, and rotating mechanisms, while the Class 6g thread fit guarantees consistent engagement. The metric coarse thread (M4 x 0.7mm) facilitates quick assembly in industrial settings, making it ideal for manufacturing equipment, robotics, and precision instruments requiring reliable, maintenance-free fastening solutions.

Specification Summary & Compliance

This precision shoulder screw features M4 x 0.7mm metric coarse threads with Class 6g thread fit tolerance. The shoulder maintains precise dimensions with 5mm diameter (-0.025 to 0 mm tolerance) and 14mm length (0 to 0.05 mm tolerance). Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial applications. The component delivers consistent performance within specified mechanical properties including 70,000 psi tensile strength and Rockwell B55 hardness.