S-90447A133 M18 x 55 mm DIN 933 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 150,000 psi tensile strength for reliable performance in demanding applications
- Superior durability and wear resistance thanks to Class 10.9 steel construction and Rockwell C32 hardness
- Quick installation and removal with standard external hex drive and coarse 2.5mm pitch threading
- Full thread engagement along the entire 55mm length for maximum grip and distribution of clamping forces
- Precise dimensional accuracy with Class 6g thread fit ensuring consistent performance and interchangeability
- Compliance with international standards including DIN 933 for guaranteed quality and compatibility
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This M18 hex head screw delivers critical reliability for heavy-duty industrial applications where failure is not an option. The Class 10.9 steel construction provides exceptional resistance to vibration loosening and fatigue, making it ideal for machinery, structural steel connections, and automotive assemblies. The fully threaded metric design with coarse 2.5mm pitch ensures rapid installation while maintaining secure fastening. The external hex drive accommodates standard tools for efficient maintenance in confined spaces. With 150,000 psi tensile strength and Rockwell C32 hardness, this fastener withstands extreme loads and harsh environments while maintaining dimensional stability.
Specification Summary & Compliance
This M18 x 2.5mm Class 10.9 steel hex head screw features Class 6g thread fit precision according to metric threading standards. The fastener is manufactured to DIN 933 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 55mm length with fully threaded right-hand design ensures consistent performance across industrial applications requiring reliable, high-strength fastening solutions.
