S-94023A112 4-40 x 1/4" MS24693-S2, NASM24693 Steel Phillips Flat Head Screws
Steel Phillips Flat Head 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 cadmium plating for extended service life in demanding environments
- Excellent holding power with 60,000 psi tensile strength for reliable fastening in critical applications
- Precise flush mounting with standard 100° countersink angle for smooth, professional finishes
- Easy installation with No. 1 Phillips drive providing secure torque transfer and reduced cam-out
- Wide compatibility with UNC coarse threading and Class 2A fit for versatile industrial use
- Full thread engagement along the entire 1/4" length for maximum grip strength
- Military specification compliance with MS24693-S2/NASM24693 for quality assurance
Professional Applications & Engineering Value
These cadmium-plated steel flat head screws deliver exceptional engineering value in applications where corrosion resistance and reliable fastening are paramount. The 4-40 UNC coarse threading with Class 2A fit ensures quick assembly and secure connections in machinery, electronics, and aerospace components. The 100° countersink angle allows for perfectly flush mounting in precision applications, while the No. 1 Phillips drive facilitates efficient installation without compromising torque transfer. With 60,000 psi tensile strength and full threading, these MS24693-S2 compliant screws provide superior vibration resistance and long-term reliability in demanding industrial environments where fastener failure is not an option.
Specification Summary & Compliance
This 4-40 UNC flat head screw features precise Class 2A thread fit tolerances and UNC coarse threading specifications. Manufactured to meet MS24693-S2 (NASM24693) military standards, these screws ensure consistent quality and performance. The 1/4" length with full threading and standard 100° countersink angle provides reliable mechanical properties. While hardness is not specifically rated, the 60,000 psi tensile strength guarantees robust performance in industrial applications requiring dependable fastening solutions.
