S-91352A154 M8 x 20 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 durability with Class 10.9 high-strength alloy steel, providing reliable performance in demanding industrial environments
- Superior corrosion resistance from blue-dyed zinc plating, extending service life and maintaining appearance in harsh conditions
- Easy installation and removal with 5mm hex drive design, reducing assembly time and tool wear
- Precise thread engagement with M8 x 1.25mm coarse threading and Class 6g fit, ensuring secure fastening and vibration resistance
- Low-profile rounded button head design offers a finished appearance while minimizing protrusion in confined spaces
- Heavy-duty performance with 140,000 psi tensile strength and Rockwell C32 hardness for high-stress applications
- Full thread coverage along the 20mm length provides maximum grip and load distribution across the entire fastener
Professional Applications & Engineering Value
These Class 10.9 metric button head screws deliver exceptional engineering value for industrial applications requiring both strength and corrosion protection. The blue-dyed zinc-plated alloy steel construction provides superior resistance to environmental factors while maintaining high tensile strength of 140,000 psi. The M8 x 1.25mm coarse thread configuration with Class 6g fit ensures quick assembly and reliable performance in vibration-prone environments. The rounded button head with 5mm hex drive offers both aesthetic appeal and practical installation advantages, making these fully threaded screws ideal for machinery, automotive components, and structural assemblies where high-strength fastening and corrosion resistance are critical.
Specification Summary & Compliance
These metric button head screws feature precise M8 x 1.25mm coarse threading with Class 6g thread fit tolerance and comply with ISO 7380 manufacturing standards. The fasteners are fully compliant with RoHS 3 (2015/863/EU) environmental directives and REACH (EC 1907/2006) regulations, ensuring they meet current environmental and safety requirements for industrial applications worldwide.
