S-91773A055 0-80 x 1/4" ASME B18.6.3 Stainless Steel Round Head Phillips Screws
Stainless Steel Round 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 18-8 stainless steel construction and passivated finish, ideal for harsh environments.
- Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable, long-term performance.
- Precise and secure fastening ensured by the fine UNF thread and Class 2A fit, minimizing the risk of loosening.
- Efficient installation with a No. 0 Phillips drive and rounded head design, reducing tool slippage and assembly time.
- Full thread engagement along the 1/4" length provides maximum grip and load distribution in thin materials.
- Compliance with major industry standards including ASME B18.6.3, ensuring interchangeability and quality.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for global supply chain suitability.
Professional Applications & Engineering Value
This 0-80 UNF Rounded Head Phillips screw is engineered to address critical challenges in precision assemblies, such as in electronics, aerospace components, and medical devices. The 18-8 Stainless Steel material, enhanced by a passivated finish, provides excellent resistance to oxidation and chemical exposure, preventing failure in corrosive conditions. Its fine thread and Class 2A fit deliver vibration-resistant, tight seals in applications where space is limited and thread stripping is a concern. The combination of high tensile strength and a fully threaded design ensures that the screw maintains integrity under stress, making it a reliable choice for securing sensitive instrumentation and machinery parts that demand durability and precision.
Specification Summary & Compliance
This screw features a 0-80 UNF fine thread with Class 2A dimensional tolerance for consistent fit. It is manufactured in compliance with ASME B18.6.3 specifications and meets regulatory requirements including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free of restricted hazardous substances and suitable for international industrial markets.
