S-90402A715 M5 x 20 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
- Superior vibration resistance with an integrated external-tooth lock washer that maintains tightness under dynamic loads
- Enhanced durability and corrosion protection from zinc-plated steel construction, ensuring long service life in harsh environments
- High tensile strength of 60,000 psi provides reliable fastening for demanding industrial applications
- Easy installation and removal with a Phillips No. 2 drive and fully threaded design for quick assembly
- Precise thread fit (Class 6g) ensures smooth engagement and consistent performance in metric coarse threading
- Optimized load distribution thanks to the pan head design and standard rounded profile, reducing surface damage
- Compliance with major industry standards including ASME B18.13.1M, RoHS 3, and REACH for safe, regulated use
Professional Applications & Engineering Value
These M5 pan head screws are engineered to address common industrial challenges such as loosening under vibration and corrosion in demanding settings. The zinc-plated steel material offers excellent resistance to environmental factors, while the external-tooth lock washer securely bites into surfaces to prevent back-off, making them ideal for machinery, automotive assemblies, and electrical enclosures. With a coarse thread and Class 6g fit, they provide quick installation and reliable holding in metals and plastics, reducing maintenance downtime. Fully compliant with ASME B18.13.1M and environmental regulations, these screws deliver consistent performance in industrial applications where safety and durability are paramount.
Specification Summary & Compliance
This screw features precise metric coarse threading (M5 x 0.8mm pitch) with a Class 6g tolerance for accurate fit, and is fully threaded for maximum grip. It meets ASME B18.13.1M manufacturing specifications, ensuring dimensional consistency and reliability. Additionally, the product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety standards for industrial use.
