S-91280A242 M5 x 40 mm ISO 4017, DIN 933, ISO 898 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
- Exceptional durability with Class 8.8 steel construction, providing reliable performance in demanding industrial environments.
- Superior corrosion resistance from zinc plating, extending service life and reducing maintenance needs.
- High tensile strength of 110,000 psi ensures secure fastening under heavy loads and vibrations.
- Easy installation and removal with external hex drive and coarse 0.8mm pitch threads, saving time and labor costs.
- Precise thread fit (Class 6h) guarantees consistent engagement and reduces the risk of stripping or loosening.
- Full threading along the 40mm length offers versatile fastening depth and uniform stress distribution.
- Compliance with international standards including ISO 4017 and DIN 933, ensuring interoperability and quality assurance.
Professional Applications & Engineering Value
This M5 hex head screw is engineered to address critical fastening challenges in industrial settings. Made from Class 8.8 steel, it delivers high tensile strength and Rockwell C21 hardness, preventing failure under dynamic stresses. The coarse thread with 0.8mm pitch and fully threaded design enables quick assembly in materials like metal and plastic, reducing installation time. The zinc plating provides a protective barrier against moisture and chemicals, ideal for machinery, automotive, and construction applications where corrosion resistance is essential. By meeting ISO 4017 and DIN 933 specifications, it ensures reliable performance in metric fastening systems, minimizing downtime and enhancing operational safety.
Specification Summary & Compliance
This screw features a metric M5 thread size with a coarse 0.8mm pitch and Class 6h thread fit for precise dimensional accuracy. It adheres to manufacturing standards such as ISO 4017 and DIN 933, with strength specifications per ISO 898. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring environmental safety and regulatory alignment for global industrial use.
