S-90304A341 M4 x 20 mm ISO 7045 Steel Pan Head Torx Screws
Steel Pan Head Torx 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 steel construction, extending service life in harsh industrial environments
- Enhanced torque transmission through T20 Torx drive design, reducing cam-out risks and tool slippage during installation
- Optimized load distribution with pan head profile, providing wider bearing surface for secure fastening
- High mechanical strength with 60,000 psi tensile strength and Rockwell B71 hardness, ensuring reliable performance under stress
- Precision threading with Class 6g tolerance and M4x0.7mm coarse thread, enabling quick assembly and vibration resistance
- Full-thread engagement along the 20mm length, maximizing grip strength in various material thicknesses
- Regulatory compliance with ISO 7045 standards and environmental directives, ensuring global acceptance
Professional Applications & Engineering Value
These zinc-plated steel Torx pan head screws deliver exceptional performance in demanding industrial applications where vibration resistance and corrosion protection are critical. The M4 metric thread with coarse 0.7mm pitch provides excellent holding power in metals, plastics, and composite materials, while the T20 Torx drive ensures secure installation without damaging the fastener head. The fully threaded design maintains consistent clamping force across varying material thicknesses, making these ISO 7045 compliant screws ideal for assembly lines, machinery, electronic enclosures, and automotive components where reliability and repeatability are paramount.
Specification Summary & Compliance
Manufactured to precise Class 6g thread fit tolerance standards with M4x0.7mm coarse threading and 20mm length. Complies with ISO 7045 mechanical and dimensional requirements, RoHS 3 (2015/863/EU) for hazardous substance restrictions, and REACH (EC 1907/2006) regulations for chemical safety. The right-hand threaded metric screw features Rockwell B71 hardness and 60,000 psi tensile strength for consistent performance in industrial fastening applications.
