S-91180A747 M12 x 30 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 tensile strength with 110,000 psi rating ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
- Corrosion-resistant zinc plating extends service life by protecting against rust and environmental degradation in demanding conditions.
- Precision fine threading (M12 x 1.5mm) provides excellent grip and vibration resistance, maintaining joint integrity in machinery and equipment.
- Class 8.8 strength grade offers consistent durability and load-bearing capacity for heavy-duty assemblies and structural connections.
- Full threading design allows for maximum engagement and uniform stress distribution, enhancing fastening security across the entire length.
- External hex drive with 19mm head enables easy installation and high torque application using standard tools, improving assembly efficiency.
- Compliance with ISO 8676 and environmental standards ensures product reliability and safe use in regulated industries, meeting global quality expectations.
Professional Applications & Engineering Value
This M12 hex head screw is engineered to address critical challenges in industrial settings where vibration, heavy loads, and corrosion are common. The Class 8.8 steel construction and fine metric threading deliver exceptional clamp load retention, preventing loosening in dynamic environments such as machinery frames, automotive assemblies, and construction equipment. The zinc-plated finish provides a protective barrier against moisture and chemicals, reducing maintenance needs and downtime. With fully threaded design and precise Class 6h thread fit, it ensures uniform stress distribution and reliable performance in high-tensile applications, making it an ideal choice for engineers seeking durability and compliance with ISO 8676 standards.
Specification Summary & Compliance
This fastener features M12 x 1.5mm fine threads with Class 6h tolerance for precise fit, manufactured to ISO 8676 (DIN 961) specifications. It meets Class 8.8 strength grade with tensile strength of 110,000 psi and Rockwell C21 hardness. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring adherence to environmental and safety regulations for industrial use.
