S-91772A070 1-72 x 1/2" 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 thanks to passivated 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
- Exceptional tensile strength rated at 70,000 psi, providing reliable fastening under high-stress conditions.
- Precise Class 2A thread fit for smooth installation and secure engagement in fine-thread applications.
- Optimized Phillips No. 0 drive allows for efficient torque transfer and reduced cam-out during assembly.
- Fully threaded design maximizes grip and load distribution along the entire 1/2" length.
- Consistent hardness (Rockwell B70) ensures durability and resistance to wear over repeated use.
- Compliance with ASME B18.6.3 and environmental regulations guarantees quality and safety for industrial procurement.
Professional Applications & Engineering Value
These 1-72 UNF fine thread pan head screws are engineered to address critical challenges in precision assembly, such as vibration loosening and material fatigue. The passivated 18-8 stainless steel offers excellent resistance to oxidation and chemical exposure, making them ideal for electronics, aerospace, and marine equipment where reliability is paramount. The fine thread and Class 2A fit ensure tight tolerances and minimal backlash, while the Phillips drive facilitates quick installation in confined spaces. By combining high tensile strength with full threading, these screws provide uniform clamping force, reducing the risk of joint failure in dynamic load environments.
Specification Summary & Compliance
This product adheres to ASME B18.6.3 specifications, with precise Class 2A thread fit and UNF fine thread standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity. The screw features a 1/2" length, fully threaded design, and meets all dimensional and mechanical requirements for industrial fastener applications.
