S-96880A224 4-40 x 3/8" ASME B18.6.3, FF-S-92, QQ-P-416, MS35206-215, NASM35206 Steel Pan Head Phillips Screws
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 cadmium plating that protects against rust and extends service life in demanding environments
- High tensile strength of 60,000 PSI ensures reliable, vibration-resistant fastening for critical assemblies
- Rockwell B69 hardness provides excellent durability and resistance to wear during installation and use
- Coarse UNC threads with Class 2A fit enable quick, easy alignment and reduced cross-threading risk
- Fully threaded design offers maximum grip and load distribution along the entire 3/8" length
- Phillips No. 1 drive allows for efficient installation with standard tools, minimizing cam-out
- Compliance with ASME B18.6.3 and multiple Fed. Specs guarantees consistent quality and interchangeability
Professional Applications & Engineering Value
These 4-40 UNC rounded pan head screws are engineered for precision fastening in industrial and aerospace applications where reliability is non-negotiable. The cadmium-plated steel construction resists corrosion in humid or chemically aggressive settings, while the coarse thread design ensures rapid assembly without sacrificing holding power. The fully threaded right-hand configuration and Class 2A thread fit provide consistent clamping force, reducing the risk of joint failure under dynamic loads. Ideal for electronics enclosures, machinery panels, and avionics assemblies, these screws deliver repeatable performance and meet stringent MS35206-215 and NASM35206 standards for traceability and safety.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances per UNC standards, ensuring precise engagement and interchangeability. Manufacturing and material specs comply with ASME B18.6.3, Fed. Spec. FF-S-92, QQ-P-416, MS35206-215, and NASM35206. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental regulations for hazardous substance restrictions.
