S-90447A144 M18 x 120 mm DIN 931 High-Strength Metric Class 10.9 Steel Hex Head Screws
High-Strength Metric Class 10.9 Steel Hex Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional load-bearing capacity with Class 10.9 strength rating and 150,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance with black steel construction providing enhanced durability in harsh industrial environments
- Optimal thread engagement with coarse 2.5mm pitch and Class 6g thread fit ensuring secure fastening and vibration resistance
- Easy installation and removal with external hex drive and standard 27mm head width for efficient tool access
- Versatile partial threading allowing for precise clamping force distribution across the 120mm length
- Industry-standard compliance meeting DIN 931 specifications for consistent quality and interchangeability
- Environmental responsibility with RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This M18 hex head screw delivers exceptional engineering value through its Class 10.9 steel construction and DIN 931 compliance, specifically designed to address critical industrial fastening challenges. The partially threaded design with coarse 2.5mm pitch provides superior vibration resistance and clamping force in heavy machinery, structural steel connections, and industrial equipment assembly. The external hex drive configuration ensures reliable torque transmission during installation, while the Rockwell C32 hardness maintains thread integrity under repeated stress cycles. Ideal for construction, manufacturing, and automotive applications where high tensile strength and dimensional accuracy are paramount for operational safety and longevity.
Specification Summary & Compliance
This metric hex head screw features precise Class 6g thread fit tolerance with M18 x 2.5mm coarse threading and 37mm minimum thread length. Manufactured to DIN 931 standards with right-hand thread direction and external hex drive configuration. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors while maintaining consistent dimensional accuracy and mechanical properties.
