S-91239A149 M4 x 14 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 rating and 140,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance thanks to black-oxide coating on alloy steel, extending service life in harsh industrial environments
- Precise thread engagement with Class 6g fit and coarse 0.7mm pitch ensuring secure fastening and vibration resistance
- Optimized drive efficiency through 2.5mm hex drive design providing excellent torque transmission and strip resistance
- Space-saving low-profile design with rounded button head (7.6mm diameter, 2.2mm height) for flush mounting in confined spaces
- Maximum thread utilization with full threading along the 14mm length for superior grip and load distribution
- Global compliance assurance meeting ISO 7380 standards and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
Engineered for precision industrial assemblies, these M4 metric screws deliver critical performance where space constraints and vibration resistance are paramount. The black-oxide alloy steel construction provides essential corrosion protection in manufacturing environments while maintaining Rockwell C32 hardness for dimensional stability under load. The combination of fully threaded coarse pitch (0.7mm) with Class 6g tolerance ensures rapid installation and reliable clamping force in machinery, automotive components, and electronic enclosures. The rounded button head profile with hex drive offers both aesthetic appeal and practical tool access, making these high-strength fasteners ideal for applications requiring both structural integrity and clean visual lines.
Specification Summary & Compliance
This metric fastener features precise Class 6g thread fit according to ISO standards with M4 x 0.7mm coarse thread specifications. Manufacturing complies with ISO 7380 for dimensional accuracy and performance consistency. The product fully meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility in industrial supply chains.
