S-94355A215 4-40 x 1/16" ASME B18.3 Set Screws
Set 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 extended service life
- Exceptional holding power ensured by Class 3A thread fit, providing a secure, vibration-resistant fastening solution
- High-strength durability from Rockwell B80 hardness, resisting wear and deformation under load
- Space-saving headless design with hex drive, allowing for flush mounting in confined assemblies
- Reliable coarse threading (UNC) for faster installation and reduced cross-threading risk in industrial applications
- Precision flat tip delivers concentrated clamping force for secure component positioning
- Regulatory compliance with RoHS 3 and REACH, meeting international environmental and safety standards
Professional Applications & Engineering Value
This 4-40 UNC set screw is engineered to address critical challenges in precision assembly and machinery. The 18-8 stainless steel material offers excellent resistance to oxidation and chemical exposure, making it suitable for automotive, aerospace, and electronics sectors where reliability is paramount. Its headless hex drive and flat tip design provide a flush finish and concentrated clamping force, preventing component slippage in high-vibration environments. The Class 3A thread fit and coarse thread spacing ensure quick, secure installations, reducing assembly time and maintenance needs. Compliant with ASME B18.3, this fastener delivers consistent performance in demanding applications, from securing shafts to aligning gears, enhancing overall system integrity.
Specification Summary & Compliance
This set screw features a 4-40 UNC thread size with Class 3A thread fit for precise dimensional accuracy and tight tolerances. It adheres to ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met. The inch-based measurements, including a 1/16" length and 0.050" hex drive, support standardized industrial use.
