S-91306A677 M8 x 16 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 strength grade and 140,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance through zinc-plated alloy steel construction, extending service life in demanding environments
- Optimized installation efficiency with 5mm hex drive design providing secure tool engagement and reduced slipping
- Enhanced load distribution from the rounded button head profile that minimizes surface damage during tightening
- Reliable thread engagement through fully threaded M8 coarse pitch design (1.25mm) ensuring strong holding power
- Consistent dimensional accuracy with Class 6g thread fit meeting precise engineering requirements
- Industry compliance assurance with ISO 7380 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
These M8 rounded head screws deliver exceptional engineering value across industrial applications where vibration resistance and structural integrity are critical. The zinc-plated alloy steel construction provides superior corrosion protection for machinery, automotive assemblies, and outdoor equipment. With Class 10.9 strength rating and 140,000 psi tensile strength, these fasteners maintain clamp load under extreme conditions, preventing joint failure in vibrating environments. The fully threaded coarse pitch design ensures rapid installation and maximum thread engagement in both metallic and composite materials. The rounded button head profile distributes clamping force evenly while the 5mm hex drive accommodates standard tools for efficient assembly line operations.
Specification Summary & Compliance
This M8 x 1.25mm screw features precise Class 6g thread fit tolerance and 16mm length with fully threaded coarse pitch configuration. Manufactured to ISO 7380 specifications with Rockwell C32 hardness for consistent performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.
