S-91772A911 5-40 x 7/16" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips 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
- Exceptional corrosion resistance from passivated 18-8 stainless steel, ideal for harsh environments and extending service life.
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration.
- Rockwell B70 hardness provides superior durability and resistance to wear and deformation.
- Class 2A thread fit with coarse UNC threading allows for quick assembly and secure fastening in various materials.
- Fully threaded design maximizes grip and load distribution across the entire length for enhanced stability.
- No. 2 Phillips drive offers easy installation with common tools, reducing assembly time and effort.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial use.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this 5-40 UNC rounded head screw in passivated 18-8 stainless steel addresses common challenges like corrosion and mechanical stress. The coarse thread UNC design ensures rapid installation and strong holding power in metals, plastics, and composites, minimizing thread stripping. With a Phillips drive No. 2, it simplifies tool compatibility, while the fully threaded construction enhances load-bearing capacity in applications such as machinery assembly, electronic enclosures, and automotive components. Its high tensile strength and hardness make it a reliable choice for preventing loosening under dynamic loads, offering long-term reliability in corrosive or high-vibration environments.
Specification Summary & Compliance
This screw features precise Class 2A thread fit with UNC coarse threads, ensuring consistent performance and interchangeability. It adheres to ASME B18.6.3 manufacturing standards for dimensional accuracy and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility in industrial supply chains.
