S-93856A211 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable performance under heavy mechanical loads
• Precision Class 5g6g thread fit provides consistent engagement and vibration resistance
• Hex socket drive with 3mm key allows for secure installation in confined spaces
• Customizable shoulder length (4-49.75mm) accommodates various assembly requirements
• Rockwell B55 hardness maintains dimensional stability under repeated use
• Compliance with RoHS 3 and REACH regulations meets international environmental standards

Professional Applications & Engineering Value

This M4 shoulder screw delivers critical engineering solutions where precise alignment and rotational control are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance for applications in chemical processing, marine equipment, and food machinery. The hex socket drive enables high-torque installation while the precision shoulder serves as a reliable locating dowel in assemblies requiring exact component positioning. With its coarse thread pitch and Class 5g6g thread fit, this fastener maintains secure connections in vibrating environments common in automotive, robotics, and industrial machinery applications.

Specification Summary & Compliance

Manufactured to metric system standards with M4 x 0.7mm coarse thread and Class 5g6g thread tolerance. Shoulder diameter tolerance maintained at -0.072 to -0.01 mm with shoulder length tolerance of -0.05 to 0.05 mm. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.