S-90236A136 M4 x 25 mm ISO 14581 Alloy Steel Torx Flat Head Screws
Alloy Steel Torx Flat Head 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
- Superior corrosion resistance with zinc-plated alloy steel construction for extended service life in harsh environments
- Enhanced torque transmission through T20 Torx drive design, reducing cam-out risk and tool wear
- Reliable mechanical strength with Class 8.8 rating, suitable for high-stress industrial applications
- Precision fit and engagement with Class 6h thread tolerance ensuring consistent fastening performance
- Optimized flush mounting with 90° countersink angle and standard flat head profile for seamless surface integration
- Quick installation efficiency through coarse 0.7mm thread pitch and fully threaded design
- Compliance assurance meeting international ISO 14581 standards and environmental regulations
Professional Applications & Engineering Value
These M4 flat head screws deliver critical engineering solutions where vibration resistance and corrosion protection are paramount. The zinc-plated alloy steel construction prevents galvanic corrosion in industrial environments, while the Torx T20 drive enables higher torque application without stripping—essential for assembly lines and maintenance operations. The fully threaded coarse pitch design ensures rapid installation in metal frameworks, electronic enclosures, and machinery where Class 8.8 strength maintains joint integrity under dynamic loads. The 90° countersink provides flush seating in precision applications, making these metric screws ideal for automotive components, industrial equipment, and structural assemblies requiring reliable fastening performance.
Specification Summary & Compliance
Manufactured to precise metric dimensions with Class 6h thread fit tolerance and Rockwell C22 hardness for consistent quality. Complies with ISO 14581 manufacturing specifications and maintains RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. Features right-hand coarse threading with 0.7mm pitch and 25mm length for standardized industrial applications.
