S-91239A459 M8 x 100 mm ISO 7380 Steel Button Head Hex-Drive Screws
Steel Button Head Hex-Drive 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 corrosion resistance with black-oxide coating, extending service life in harsh industrial environments.
- High tensile strength of 140,000 psi ensures reliable load-bearing capacity for critical assemblies.
- Class 10.9 strength grade provides superior mechanical performance under high-stress conditions.
- Fully threaded M8 coarse pitch design enables faster installation and secure grip in various materials.
- 5 mm hex drive with rounded button head offers easy tool engagement and a low-profile, flush finish.
- Rockwell C32 hardness maintains thread integrity and prevents stripping during repeated use.
- Compliance with ISO 7380, RoHS 3, and REACH guarantees international quality and environmental safety standards.
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this M8 x 1.25 mm Class 10.9 black-oxide alloy steel rounded head screw addresses common challenges like vibration loosening and corrosion. The fully threaded coarse pitch metric design ensures rapid assembly and robust fastening in machinery, automotive, and structural frameworks. Its high tensile strength and Rockwell C32 hardness prevent failure under dynamic loads, while the black-oxide surface treatment resists moisture and chemicals, reducing maintenance needs. Ideal for hex drive systems requiring precise torque application, this screw delivers consistent performance in ISO 7380-compliant operations, enhancing reliability in B2B procurement for heavy-duty fastening solutions.
Specification Summary & Compliance
This screw features M8 coarse threads with a 1.25 mm pitch and Class 6g thread fit for precise dimensional accuracy. It meets ISO 7380 manufacturing standards and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety adherence. The Class 10.9 strength grade and fully threaded 100 mm length provide consistent performance across industrial applications.
