S-91280A034 M20 x 70 mm ISO 8676, DIN 961 Medium-Strength Metric Class 8.8 Steel Hex Head Screws
Medium-Strength Metric Class 8.8 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
- Superior corrosion resistance with zinc plating, extending service life in harsh industrial environments
- Exceptional tensile strength of 110,000 psi ensures reliable performance under high-stress applications
- Precise Class 6h thread fit and extra fine 1.5mm pitch for secure, vibration-resistant connections
- Full threading design provides maximum grip and load distribution across the entire fastener length
- Class 8.8 strength grade delivers consistent mechanical properties for heavy-duty fastening requirements
- External hex drive allows for high-torque installation with standard tools, reducing assembly time
- Rockwell C21 hardness maintains thread integrity and prevents stripping during repeated use
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these M20 hex head screws with extra fine thread pitch excel in machinery assembly, structural frameworks, and equipment manufacturing where vibration resistance is critical. The zinc plated steel construction provides essential corrosion protection in environments exposed to moisture and chemicals, while the Class 8.8 strength rating ensures reliable performance under sustained loads. The fully threaded design offers superior clamping force distribution, making these metric screws ideal for applications requiring uniform stress distribution across joined components. With their external hex drive configuration, they enable efficient installation and removal in confined spaces common in industrial maintenance and manufacturing settings.
Specification Summary & Compliance
These M20 x 1.5mm hex head screws feature Class 6h thread fit precision according to ISO 8676 (DIN 961) standards, ensuring dimensional accuracy and interchangeability. The manufacturing process adheres to strict quality controls for metric thread specifications with extra fine pitch spacing. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and restricted substance management, making them suitable for global industrial supply chains requiring certified components.
