S-99477A136 M4 x 16 mm DIN 912, UL 94 HB Plastic Socket Head Screws

Key Features & Benefits at a Glance

• High tensile strength of 4500 psi ensures reliable fastening in demanding industrial applications
• Chemical and corrosion resistance of polypropylene material provides excellent durability in harsh environments
• Wide temperature tolerance from -20° to 180°F maintains performance across various operating conditions
• Precision Class 6g thread fit guarantees consistent engagement and secure fastening alignment
• Standard 3mm hex drive enables easy installation with common tools while preventing stripping
• DIN 912 compliance ensures dimensional accuracy and interchangeability with metric systems
• Environmental compliance with RoHS 3 and REACH regulations meets international safety standards

Professional Applications & Engineering Value

This M4 metric socket head cap screw delivers exceptional engineering value through its polypropylene construction and precision Class 6g thread fit. The combination of 4500 psi tensile strength and broad temperature resistance (-20° to 180°F) makes it ideal for electrical enclosures, machinery guards, and chemical processing equipment where metal fasteners would corrode or conduct electricity. The fully threaded design with coarse 0.7 mm pitch ensures rapid assembly and secure fastening in plastic and composite materials, while the standard hex drive prevents cam-out during installation. Meeting DIN 912 specifications, these screws provide reliable performance in automation systems, food processing equipment, and outdoor applications where environmental factors and regulatory compliance are critical considerations.

Specification Summary & Compliance

This socket head cap screw features M4 x 0.7 mm coarse threading with Class 6g tolerance according to metric standards. The 16mm length and 7mm head diameter conform to DIN 912 specifications for dimensional accuracy. Manufactured from polypropylene plastic in off-white color, the screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors without hazardous substances.