S-90988A254 1/4"-20 x 3/4" FF-S-92, MS51957-81 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
- Exceptional corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh environments and reducing maintenance costs.
- High tensile strength of 80,000 psi ensures reliable performance under heavy loads, minimizing failure risks in demanding applications.
- Easy installation and removal thanks to the Phillips No. 3 drive, providing secure tool engagement and reducing assembly time.
- Wide compatibility and secure fit with UNC coarse threads and Class 2A thread fit, preventing cross-threading and ensuring consistent fastening.
- Full threading along the 3/4" length offers maximum grip and adjustability, enhancing joint integrity in various materials.
- Durable rounded pan head design distributes pressure evenly and resists stripping, prolonging fastener life in repetitive use.
- Compliance with strict industry standards including Fed. Spec. FF-S-92, RoHS 3, and REACH, ensuring safety and environmental responsibility.
Professional Applications & Engineering Value
This 1/4"-20 x 3/4" Black-Oxide 18-8 Stainless Steel Rounded Head Phillips Screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress conditions. The Black-Oxide coating on 18-8 Stainless Steel provides superior protection against rust and chemical exposure, making it ideal for outdoor machinery, marine equipment, and automotive assemblies. Its UNC coarse threads and Class 2A fit ensure quick, reliable installation in metals and plastics, reducing assembly errors. With an 80,000 psi tensile strength and fully threaded design, it delivers consistent clamping force in heavy-duty applications like structural frameworks and industrial enclosures, enhancing longevity and reducing downtime.
Specification Summary & Compliance
This screw features precise UNC 1/4"-20 coarse threads with a Class 2A thread fit for standard tolerance and easy assembly. It complies with Fed. Spec. FF-S-92 (MS51957-81) for dimensional accuracy and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial uses.
