S-91772A032 3-56 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 environments and long-term reliability.
- Exceptional tensile strength of 70,000 psi ensures secure, high-load fastening without failure in demanding applications.
- Rockwell B70 hardness provides excellent wear resistance and maintains thread integrity under repeated use.
- Fully threaded design offers maximum grip and uniform holding power along the entire screw length.
- Precision Class 2A thread fit guarantees easy assembly and consistent performance with standard UNF fine thread nuts.
- Phillips No. 1 drive enables efficient installation with common tools, reducing assembly time and effort.
- Compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
Engineered for precision and durability, these 3-56 UNF fine thread pan head screws address critical needs in industrial and electronic assemblies where space is constrained and reliability is paramount. The passivated 18-8 stainless steel provides excellent resistance to oxidation and chemical exposure, making them suitable for applications in marine, automotive, and medical equipment. The fully threaded and Class 2A fit design ensures tight, vibration-resistant connections in machinery, control panels, and compact devices, reducing the risk of loosening over time. With a Phillips drive for straightforward installation, these screws streamline maintenance and production processes, offering a dependable solution for engineers seeking high-strength, corrosion-resistant fasteners that meet rigorous ASME B18.6.3 standards.
Specification Summary & Compliance
This screw features a 3-56 UNF fine thread with Class 2A tolerance for precise fit, a length of 5/16", and is manufactured in accordance with ASME B18.6.3 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
