S-91280A840 M16 x 40 mm ISO 4017, DIN 933, SAE J1199, ISO 898 Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating that protects against rust and extends service life in harsh environments
• High tensile strength of 110,000 psi and Class 8.8 grade ensures reliable performance under heavy loads and stress
• Easy installation and removal with external hex drive and coarse 2mm pitch threads for quick assembly in industrial applications
• Consistent thread quality with Class 6h fit and full threading provides secure fastening and vibration resistance
• Broad compliance with international standards including ISO 4017, DIN 933, and SAE J1199 for guaranteed interchangeability and quality
• Rockwell C21 hardness offers excellent durability and wear resistance for long-term use in demanding conditions
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements

Professional Applications & Engineering Value

This M16 hex head screw is engineered to address critical challenges in industrial and construction applications where reliability and durability are paramount. The Class 8.8 strength grade and 110,000 psi tensile strength ensure it can withstand high stress and dynamic loads in machinery, structural frameworks, and heavy equipment. The zinc plated finish provides essential corrosion resistance, prolonging fastener life in outdoor or humid environments. With a coarse 2mm pitch and fully threaded design, it offers faster installation and superior grip in materials like steel and concrete, reducing assembly time while maintaining vibration-resistant security. Compliance with ISO 4017 and DIN 933 standards guarantees precise dimensions and consistent performance, making it a trusted choice for engineers and procurement specialists seeking high-quality metric bolts for demanding projects.

Specification Summary & Compliance

This screw features M16x2mm coarse threads with a Class 6h thread fit per ISO standards, ensuring dimensional accuracy and compatibility. It meets ISO 4017, DIN 933, SAE J1199, and ISO 898 specifications for mechanical properties and manufacturing. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for hazardous substances.