S-91400A049 0-80 x 1/2" FF-S-92, QQ-P-35, MS51958-126, NASM51958 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.
- Exceptional tensile strength rated at 80,000 psi ensures reliable performance under high-stress applications.
- Precise Class 2A thread fit guarantees smooth assembly and secure fastening with minimal risk of cross-threading.
- Fine UNF thread spacing provides enhanced grip and vibration resistance in delicate assemblies.
- Fully threaded design offers maximum holding power along the entire screw length for uniform load distribution.
- Rounded pan head with Phillips No. 0 drive allows for easy installation and a low-profile, finished appearance.
- Compliance with major industry standards including Fed. Spec. FF-S-92, QQ-P-35, MS51958-126, and NASM51958 ensures consistent quality and interoperability.
Professional Applications & Engineering Value
This 0-80 UNF fine thread pan head screw is engineered to address critical challenges in precision industries such as aerospace, electronics, and medical device manufacturing. The passivated 18-8 stainless steel material provides excellent resistance to oxidation and chemical exposure, extending service life in demanding conditions. Its fine thread spacing and Class 2A thread fit ensure tight, secure connections in applications where vibration loosening is a concern, while the fully threaded design maximizes engagement in thin materials. The combination of 80,000 psi tensile strength and rounded pan head with Phillips drive makes it ideal for assemblies requiring both high mechanical performance and streamlined installation.
Specification Summary & Compliance
This screw features a 0-80 UNF fine thread with Class 2A tolerance for precise fit, a 1/2" length, and fully threaded design. It complies with Fed. Spec. FF-S-92, QQ-P-35, MS51958-126, and NASM51958 manufacturing standards. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations.
