S-91280A024 M16 x 55 mm ISO 8765, DIN 960 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 that protects against rust and extends service life in harsh industrial environments
- High tensile strength of 110,000 psi ensures reliable performance under heavy loads, reducing the risk of fastener failure
- Class 8.8 strength grade provides excellent durability and load-bearing capacity for demanding mechanical applications
- Fine thread pitch (1.5mm) and Class 6h thread fit offer precise, secure fastening with minimal vibration loosening
- Partially threaded design allows for controlled clamping force and easier alignment in assembly operations
- External hex drive and hex head enable quick installation and removal with standard tools, improving maintenance efficiency
- Rockwell C21 hardness maintains thread integrity and resistance to wear over repeated use
Professional Applications & Engineering Value
This M16 hex head screw is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and environmental corrosion. The zinc plated steel construction provides a protective barrier against moisture and chemicals, making it ideal for outdoor machinery, automotive assemblies, and structural frameworks. With a fine thread pitch of 1.5mm and Class 6h thread fit, it ensures tight, precise connections that resist shock and dynamic loads. The partial threading design allows for optimal stress distribution, reducing the risk of material fatigue. Certified to ISO 8765 (DIN 960), this fastener delivers consistent performance in heavy-duty applications, from construction equipment to manufacturing systems, enhancing reliability and reducing maintenance downtime.
Specification Summary & Compliance
This screw adheres to ISO 8765 (DIN 960) standards, with precise Class 6h thread fit and metric fine thread spacing for dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory alignment for global industrial use.
