S-90317A717 M4 x 30 mm ASME B18.13.1M Stainless Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer
Stainless Steel Pan Head Phillips Screws with Internal-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 corrosion resistance with 18-8 stainless steel construction and passivated finish for long-lasting performance in harsh environments.
- Enhanced vibration resistance through the integrated internal-tooth lock washer, preventing loosening in dynamic applications.
- High mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing capabilities.
- Secure and efficient installation with a Phillips No. 2 drive and fully threaded M4 coarse thread design for quick, stable fastening.
- Precise dimensional accuracy with Class 6g thread fit ensuring consistent performance and interchangeability.
- Durable washer component made from 410 stainless steel with passivated finish, providing additional locking force and surface protection.
- Broad regulatory compliance meeting ASME B18.13.1M, RoHS 3, and REACH standards for safe, global industrial use.
Professional Applications & Engineering Value
This M4 pan head screw is engineered to address common industrial challenges such as joint failure due to vibration and corrosion. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to rust and chemical exposure, making it ideal for outdoor equipment, marine hardware, and food processing machinery. The integrated internal-tooth lock washer bites into the mating surface, maintaining clamp load under cyclic stresses, which is critical in automotive assemblies, conveyor systems, and electronic enclosures. Its fully threaded coarse pitch design ensures rapid installation and high pull-out strength, while the Phillips drive offers widespread tool compatibility. This screw delivers reliable performance in demanding industrial applications where safety and durability are paramount.
Specification Summary & Compliance
This screw features precise metric dimensions: M4 x 0.7mm pitch, 30mm length, with Class 6g thread fit for consistent assembly. It is manufactured in accordance with ASME B18.13.1M specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for international supply chains.
