S-91280A226 M5 x 16 mm ISO 4017, DIN 933, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in harsh industrial environments.
• High tensile strength of 110,000 psi ensures reliable performance under heavy loads and vibrations.
• Class 8.8 strength grade provides excellent durability for demanding mechanical applications.
• Coarse thread spacing allows for faster assembly and reduced risk of cross-threading.
• Class 6h thread fit guarantees precise engagement and secure fastening in metric assemblies.
• Fully threaded design offers consistent holding power along the entire length for versatile use.
• External hex drive enables easy installation with standard tools, improving workflow efficiency.

Professional Applications & Engineering Value

This M5 hex head screw is engineered from Class 8.8 steel to address common industrial challenges such as joint failure and corrosion. The zinc-plated finish provides a protective barrier against moisture and chemicals, making it ideal for outdoor equipment, machinery, and automotive assemblies. With a coarse thread and Class 6h fit, it ensures quick, secure fastening in metric applications, reducing installation time and maintenance costs. Fully threaded for maximum grip, this screw delivers consistent performance in high-stress environments, supporting long-term reliability and compliance with international standards like ISO 4017 and DIN 933.

Specification Summary & Compliance

This screw adheres to precise metric dimensions with M5 x 0.8mm thread size and pitch, 16mm length, and Class 6h thread fit for accurate assembly. It meets ISO 4017 and DIN 933 specifications, ensuring consistent quality and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it is free from hazardous substances, supporting safe and sustainable industrial use.