S-90236A140 M4 x 45 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 and tool slippage
- High load-bearing capacity with Class 8.8 strength grade, suitable for critical structural applications
- Excellent thread engagement with full M4x0.7mm coarse threading for maximum holding power
- Consistent flush mounting with standard 90° flat head profile and precise Class 6h thread fit
- Reliable hardness performance at Rockwell C22, maintaining structural integrity under stress
- Broad regulatory compliance meeting international ISO 14581 standards and environmental directives
Professional Applications & Engineering Value
These M4 flat head screws with Torx T20 drive provide engineered solutions for industrial assembly challenges where space constraints and vibration resistance are critical. The zinc-plated alloy steel construction offers superior protection against corrosion in manufacturing environments, while the Class 8.8 strength rating ensures reliable performance in high-stress applications. The fully threaded design with coarse pitch enables rapid installation and exceptional pull-out resistance in materials ranging from metals to engineered plastics. The flat head profile with standard countersink angle creates seamless flush finishes ideal for machinery, automotive components, and electronic enclosures where protruding fasteners are unacceptable.
Specification Summary & Compliance
This metric fastener features precise M4 x 0.7mm coarse threading with Class 6h thread fit tolerance for consistent engagement. Manufacturing adheres to ISO 14581 specifications for dimensional accuracy and performance standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. With 45mm length and Rockwell C22 hardness, these screws maintain structural integrity while meeting international quality and safety requirements for industrial applications.
