S-91772A622 5/16"-18 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, ensuring long-term reliability in harsh environments.
- High tensile strength of 70,000 psi provides exceptional load-bearing capacity for demanding industrial applications.
- Rockwell B70 hardness offers excellent durability and resistance to wear, extending fastener lifespan.
- Class 2A thread fit with UNC coarse threading ensures easy installation and secure fastening in various materials.
- Full threading design allows for maximum grip and uniform stress distribution along the entire length.
- Phillips No. 4 drive with pan head facilitates efficient driving and a low-profile, rounded finish for aesthetic and functional needs.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
Engineered for industrial and heavy-duty applications, these 5/16-18 UNC coarse thread screws address common challenges like corrosion, vibration loosening, and high-stress conditions. The passivated 18-8 stainless steel material provides robust protection against rust and chemical exposure, making them ideal for use in machinery, automotive assemblies, and outdoor equipment. The pan head with Phillips drive ensures quick, secure installation without specialized tools, while the fully threaded design enhances clamping force and stability. By combining high tensile strength and precise Class 2A thread fit, these screws reduce maintenance needs and improve assembly integrity in demanding environments such as construction, manufacturing, and marine industries.
Specification Summary & Compliance
This product features a 5/16"-18 UNC coarse thread with Class 2A thread fit for consistent dimensional accuracy and ease of use. It complies with ASME B18.6.3 specifications for mechanical and dimensional standards, ensuring reliable performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements, confirming environmental and safety compliance for global industrial use.
