S-91772A131 5-40 x 3/4" 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 performance under significant mechanical stress.
- Rockwell B70 hardness provides excellent durability and resistance to wear over time.
- Class 2A thread fit with coarse UNC threading allows for faster installation and reduced cross-threading risks.
- Fully threaded 3/4" length offers maximum grip and holding power in various material thicknesses.
- Phillips drive with No. 2 size ensures secure, slip-resistant engagement during assembly.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards are met.
Professional Applications & Engineering Value
These 5-40 UNC pan head screws are engineered to address common industrial challenges such as vibration loosening and corrosion. The passivated 18-8 stainless steel provides a protective layer that significantly enhances resistance to rust and chemical exposure, making them ideal for outdoor equipment, marine applications, and food processing machinery. The coarse thread spacing and Class 2A thread fit ensure quick, reliable fastening in materials like metal and plastic, reducing assembly time and improving production efficiency. With a fully threaded design and Phillips drive, these screws deliver consistent clamping force and ease of use in automated or manual settings, supporting robust and long-lasting assemblies.
Specification Summary & Compliance
This product adheres to Class 2A thread fit and UNC (Unified Coarse) thread standards, ensuring precise dimensional accuracy and interchangeability. Manufactured in compliance with ASME B18.6.3 specifications, it meets rigorous engineering requirements. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, confirming its safety for use in regulated industries and alignment with global environmental standards.
