S-90402A708 M4 x 10 mm ASME B18.13.1M Steel Pan Head Phillips Screws with External-Tooth Lock Washer
Steel Pan Head Phillips Screws with External-Tooth Lock Washer
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Enhanced Vibration Resistance with integrated external-tooth lock washer prevents loosening under dynamic loads, ensuring long-term joint integrity.
- Superior Corrosion Protection from zinc-plated steel construction, extending service life in humid or demanding industrial environments.
- High Tensile Strength of 60,000 psi provides reliable fastening for structural and mechanical applications without failure.
- Optimized Drive Engagement with No. 2 Phillips head allows for efficient installation and reduced cam-out during high-torque assembly.
- Precision Metric Threading (M4 x 0.7mm, Class 6g) ensures consistent fit and compatibility with standard metric components.
- Full Thread Design maximizes grip length and load distribution across the entire fastener for enhanced holding power.
- Broad Regulatory Compliance meets ASME B18.13.1M, RoHS 3, and REACH standards for safe, quality-assured global use.
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these M4 pan head screws address critical challenges in machinery assembly, automotive components, and construction frameworks. The zinc-plated steel material provides excellent resistance to oxidation and wear, while the external-tooth lock washer actively counters vibration-induced loosening—a common failure point in dynamic systems. With a coarse thread pitch and Class 6g tolerance, installation is swift and reliable, reducing assembly time and minimizing cross-threading risks. The combination of 60,000 psi tensile strength and fully threaded design ensures uniform stress distribution, making these screws ideal for high-load applications where fastener integrity is non-negotiable.
Specification Summary & Compliance
This M4 x 0.7mm x 10mm screw features Class 6g thread fit per ISO metric standards and is manufactured in accordance with ASME B18.13.1M specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability. The zinc-plated steel construction and external-tooth lock washer are precision-engineered to maintain dimensional accuracy and performance under industrial conditions.
