S-91239A705 M2 x 8 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 strength and reliability with Class 10.9 rating and 140,000 psi tensile strength, ensuring secure fastening in demanding applications
- Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh industrial environments
- Optimized for high-torque assembly featuring a hex drive design that prevents cam-out and allows for efficient installation
- Excellent thread engagement with coarse 0.4mm pitch and Class 6g fit, providing rapid installation and vibration resistance
- Space-saving rounded button head profile delivers a low-profile finish while maintaining high clamping force
- Full threading for maximum grip length ensures uniform stress distribution and superior holding power
- Rockwell C32 hardness maintains structural integrity under heavy loads and repeated use
Professional Applications & Engineering Value
This M2 metric screw with Class 10.9 strength and black-oxide alloy steel construction addresses critical engineering challenges in precision assemblies. The fully threaded coarse pitch design (0.4mm) enables rapid installation while maintaining vibration resistance in dynamic environments. The hex drive provides superior torque transmission without stripping, crucial for automated assembly lines. The rounded button head offers a low-profile solution for confined spaces in electronics, machinery, and automotive components. With 140,000 psi tensile strength and corrosion-resistant finish, it withstands extreme operational stresses while meeting stringent industry requirements for reliability and durability.
Specification Summary & Compliance
Manufactured to ISO 7380 standards with Class 6g thread fit tolerance for precision mating. The metric coarse thread (M2 x 0.4mm) ensures compatibility with standard components. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming safe use in regulated industries. The 8mm length and fully threaded construction provide consistent performance across applications requiring high-strength fastening solutions.
