S-90854A306 M20 x 45 mm ISO 4017, 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 tensile strength with Class 10.9 rating (150,000 psi) ensures reliable performance in high-stress applications, reducing failure risks.
- Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments, minimizing maintenance needs.
- Precision thread fit (Class 6h) guarantees secure fastening and vibration resistance, enhancing assembly stability.
- High hardness (Rockwell C32) provides excellent wear resistance, maintaining integrity under repeated use.
- Full threading design allows for uniform load distribution and versatile installation across various material thicknesses.
- External hex drive head enables easy installation with standard tools, speeding up assembly processes.
- Compliance with ISO 4017/DIN 933 standards ensures interchangeability and quality consistency for global engineering projects.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these M20 hex head screws address critical challenges in machinery, construction, and automotive assemblies. The high-grade steel construction combined with Class 10.9 strength prevents stripping and shearing under heavy loads, while the coarse thread (2.5mm pitch) facilitates quick engagement in tough materials. The zinc yellow-chromate plating offers a durable barrier against moisture and chemicals, ideal for outdoor or corrosive environments. With fully threaded design and external hex drive, they provide consistent clamping force and tool accessibility, reducing installation time and improving operational reliability in structural frames, equipment mounts, and heavy-duty fixtures.
Specification Summary & Compliance
This metric hex head screw features M20x2.5 coarse threads with Class 6h tolerance for precise fit, and a length of 45mm. Manufactured to ISO 4017/DIN 933 specifications, it guarantees dimensional accuracy and performance repeatability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global supply chains.
