S-91400A862 1/4"-28 x 1 1/2" FF-S-92, QQ-P-35, MS51958-85, 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 from Passivated 18-8 Stainless Steel, ensuring long-term reliability in harsh environments.
- High tensile strength of 80,000 psi provides dependable load-bearing capacity for demanding industrial applications.
- Fine UNF thread with Class 2A fit delivers precise, secure fastening and vibration resistance.
- Fully threaded design maximizes grip and distribution of clamping force along the entire length.
- Phillips No. 3 drive allows for efficient installation with common tools, reducing assembly time.
- Rounded pan head profile offers a low-profile, snag-free finish ideal for compact spaces.
- Compliance with major standards including Fed. Spec. FF-S-92, QQ-P-35, MS51958-85, and NASM51958 ensures consistent quality and interchangeability.
Professional Applications & Engineering Value
This 1/4-28 UNF Rounded Head Screw is engineered to address critical challenges in industrial and mechanical assemblies where corrosion resistance and high tensile strength are paramount. The Passivated 18-8 Stainless Steel construction combats oxidation and chemical exposure, extending service life in applications like marine equipment, food processing machinery, and outdoor structures. The fine thread and Class 2A thread fit provide superior holding power against vibrations, making these pan head screws ideal for precision instruments, automotive components, and electronic enclosures. With a fully threaded design and Phillips drive, installation is swift and secure, reducing downtime and ensuring reliable performance in industrial screws and stainless steel fasteners applications.
Specification Summary & Compliance
This screw features a 1/4"-28 UNF fine thread with Class 2A thread fit for precise dimensional accuracy. It complies with specifications including Fed. Spec. FF-S-92, QQ-P-35, MS51958-85, and NASM51958, ensuring adherence to rigorous manufacturing standards. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming it meets environmental and safety regulations for global industrial use.
