S-90447A129 M18 x 40 mm DIN 933 High-Strength Metric Class 10.9 Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 150,000 PSI from Class 10.9 steel ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Superior corrosion resistance with a black oxide finish prolongs service life in harsh environments, minimizing maintenance and replacement costs.
• Robust Rockwell C32 hardness provides excellent wear resistance, maintaining thread integrity and preventing deformation under heavy loads.
• Coarse M18x2.5 metric thread with Class 6g fit allows for quick and secure installation, improving assembly efficiency and reducing labor time.
• Fully threaded design ensures consistent clamping force along the entire 40mm length, enhancing joint stability in demanding setups.
• External hex drive and standard hex head enable easy installation with common tools, streamlining workflow and reducing the need for specialized equipment.
• Compliance with DIN 933, RoHS 3, and REACH guarantees adherence to international quality and safety standards, ensuring product reliability and regulatory acceptance.

Professional Applications & Engineering Value

This M18 hex head screw is engineered from high-grade steel with a Class 10.9 strength rating and coarse thread design, making it ideal for heavy-duty industrial applications such as machinery assembly, construction frameworks, and automotive components. The fully threaded right-hand configuration and external hex drive provide superior grip and ease of installation, addressing common issues like loosening under vibration and time-consuming alignment. With its black oxide surface treatment, it resists corrosion in humid or chemically exposed environments, extending service life and reducing downtime. By meeting DIN 933 standards, it ensures precise dimensional accuracy and compatibility, offering engineers a dependable solution for high-tensile fastening needs in sectors like manufacturing and infrastructure.

Specification Summary & Compliance

This product features precise metric dimensions including a 40mm length, M18 thread size with 2.5mm pitch, and Class 6g thread fit for consistent tolerance. It complies with DIN 933 manufacturing specifications and is verified to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.