S-91352A121 M4 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 durability with Class 10.9 strength rating and 140,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance thanks to blue zinc plating that provides enhanced protection against rust and environmental damage
- Easy installation and removal with 2.5mm hex drive design that prevents stripping and ensures secure tool engagement
- Optimal thread engagement through fully threaded M4 coarse pitch design that delivers maximum holding power
- Professional appearance with rounded button head profile that offers a clean, finished look while preventing snagging
- Consistent performance maintained through Rockwell C32 hardness that resists deformation under heavy loads
- Global compliance assurance with ISO 7380 certification and RoHS 3/REACH compliance for international project suitability
Professional Applications & Engineering Value
These high-strength metric screws deliver exceptional engineering value across industrial applications where reliability is critical. The blue zinc-plated alloy steel construction provides superior corrosion protection for machinery, automotive assemblies, and outdoor equipment exposed to harsh environments. The fully threaded M4 x 0.7mm coarse pitch design ensures maximum thread engagement in various materials, while the hex drive prevents cam-out during high-torque installation. With Class 10.9 strength rating and 140,000 psi tensile strength, these rounded head screws maintain integrity under vibration and heavy loads, making them ideal for structural components, manufacturing equipment, and precision assemblies requiring dependable fastening solutions that won't compromise under stress.
Specification Summary & Compliance
This metric screw features precise M4 x 0.7mm coarse thread with Class 6g tolerance for consistent fitment. Manufactured to ISO 7380 standards with Class 10.9 strength certification, ensuring dimensional accuracy and performance reliability. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict regulatory adherence.
