S-91772A125 5-40 x 5/16" 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
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments.
- High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding loads.
- Excellent thread engagement with fully threaded UNC coarse spacing and Class 2A fit for quick, secure installation.
- Easy installation and removal using a standard Phillips No. 2 drive, reducing assembly time and tool wear.
- Durable rounded pan head design provides a low-profile, smooth finish that minimizes snagging and improves safety.
- Consistent performance and interchangeability guaranteed by compliance with ASME B18.6.3 standards.
- Environmentally compliant with RoHS 3 and REACH, ensuring safe use in regulated applications.
Professional Applications & Engineering Value
This 5-40 UNC machine screw is engineered from passivated 18-8 stainless steel to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The coarse thread and Class 2A fit enable rapid installation in materials like metal and plastic, reducing labor costs while maintaining a secure hold. Its fully threaded design ensures maximum grip across the entire 5/16" length, making it ideal for industrial machinery, electronic enclosures, and automotive components where reliability is critical. The Phillips No. 2 drive and rounded pan head offer user-friendly handling and a flush finish, preventing damage to adjacent surfaces and enhancing product longevity in demanding environments.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including Class 2A thread fit and UNC coarse thread spacing, ensuring consistent performance and interchangeability. It is manufactured in compliance with ASME B18.6.3 specifications and meets regulatory requirements such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming its suitability for global industrial and consumer applications without hazardous substances.
