S-92949A421 6-48 x 3/8" Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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, ideal for harsh environments and long-term reliability
- Exceptional holding power from 70,000 psi tensile strength and Rockwell B55 hardness, preventing stripping and failure under load
- Precise, secure fastening ensured by Class 3A thread fit and extra fine thread spacing for vibration resistance in critical assemblies
- Easy installation and removal with 5/64" hex drive and rounded button head design, reducing tool slippage and assembly time
- Maximum thread engagement from fully threaded design, providing consistent clamping force along the entire 3/8" length
- Broad compatibility with UNS/UNF thread standards, making it suitable for replacement and OEM applications
- Environmental compliance meeting RoHS 3 and REACH regulations for safe use in regulated industries
Professional Applications & Engineering Value
This 6-48 extra fine thread rounded button head screw delivers critical performance in precision-driven sectors. The 18-8 stainless steel material offers excellent resistance to oxidation and chemical exposure, making it suitable for electronics, medical devices, and instrumentation where cleanliness and durability are paramount. The Class 3A thread fit and extra fine threading provide superior vibration resistance, preventing loosening in dynamic or high-frequency environments. With its fully threaded design and hex drive, it ensures uniform load distribution and reliable torque application, reducing the risk of joint failure. These industrial fasteners are engineered for applications demanding tight tolerances, secure fastening, and long-term operational integrity.
Specification Summary & Compliance
This screw features a 6-48 UNS extra fine thread with Class 3A fit for high precision. Dimensions include a 3/8" length, 0.138" thread diameter, and 5/64" hex drive. Manufactured from 18-8 stainless steel with a tensile strength of 70,000 psi and Rockwell B55 hardness. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial applications.
