S-94095A020 M3 x 3 mm ASME B18.3.6M, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Secure Anti-Loosening Performance: The nylon 6/6 plastic tip provides excellent vibration resistance and prevents damage to mating surfaces, ensuring long-term joint integrity.
• Exceptional Durability in Harsh Environments: Black-oxide alloy steel construction offers superior corrosion resistance, while the nylon tip maintains functionality from -50° to 250° F.
• High-Strength Fastening: With a Rockwell C28 hardness, this screw delivers reliable mechanical strength and wear resistance for demanding applications.
• Precision Fit for Reliable Assembly: The Class 5g6g thread fit guarantees consistent engagement and secure fastening, reducing the risk of cross-threading.
• Optimized for Efficient Installation: The 1.5 mm hex drive and headless design allow for easy access and installation in confined spaces with standard tools.
• Industry-Standard Compliance: Manufactured to meet ASME B18.3.6M, ensuring dimensional accuracy and interchangeability in professional settings.
• Safe for Regulated Industries: Compliant with RoHS 3 and REACH standards, making it suitable for electronics and other sensitive applications.

Professional Applications & Engineering Value

This M3 set screw is engineered to address common challenges in precision assembly and motion control systems. The black-oxide alloy steel body provides a robust foundation, resisting corrosion in industrial environments, while the nylon tip acts as a non-marring, self-locking element that eliminates the need for separate locking devices. Its headless design and compact 3 mm length make it ideal for securing collars, knobs, and pulleys on shafts where protrusions are unacceptable. The coarse thread spacing and Class 5g6g thread fit ensure quick, reliable installation with high resistance to vibrational loosening in machinery, automotive components, and electronic enclosures. This combination of material properties and precision engineering delivers a dependable fastening solution that enhances product longevity and reduces maintenance cycles.

Specification Summary & Compliance

This metric set screw features an M3x0.5 mm thread with a Class 5g6g thread fit for precise dimensional control. It is manufactured in accordance with the ASME B18.3.6M standard, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industrial markets.