S-91500A585 5/16"-18 x 1 1/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head 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 thanks to 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Enhanced durability and surface protection with a passivated finish that increases the natural corrosion resistance of the stainless steel
- Reliable fastening strength with a tensile strength of 70,000 psi and Rockwell B80 hardness for secure, long-lasting hold
- Efficient installation and removal featuring a standard Phillips No. 4 drive for common tool compatibility
- Optimal flush mounting with a flat head and standard 82° countersink angle for a smooth, finished surface
- Wide material grip and quick assembly from the fully threaded coarse (UNC) design and Class 2A thread fit
- Guaranteed quality and safety meeting ASME B18.6.3 specifications and being RoHS 3 & REACH compliant
Professional Applications & Engineering Value
This 316 Stainless Steel Flat Head Phillips Screw is engineered to solve critical challenges in demanding industrial settings. Its corrosion-resistant material and passivated finish provide exceptional protection against moisture, chemicals, and saltwater environments, making it ideal for marine, chemical processing, and food industry applications. The fully threaded coarse (UNC) design ensures maximum grip in various materials, while the flat head with 82° countersink allows for a clean, flush installation that prevents snagging and maintains aerodynamic or aesthetic surfaces. Manufactured to ASME B18.6.3 standards, these screws deliver consistent performance and reliability, reducing maintenance needs and downtime in critical assemblies.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including a Class 2A thread fit for reliable assembly and UNC coarse threading (5/16"-18). It is manufactured in compliance with ASME B18.6.3 and meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring safety and sustainability in industrial use.
