S-92991A112 2-56 x 3/16" 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 brass construction for extended service life in harsh industrial environments
- Precise thread engagement with Class 3A thread fit ensuring reliable fastening in critical applications
- Enhanced torque transmission through .035" hex drive design for secure installation and removal
- Optimized holding power with cup tip design that creates consistent seating pressure on mating surfaces
- Excellent mechanical strength with Rockwell B55 hardness providing durability under vibration and load
- Wide compatibility with UNC coarse thread spacing for quick assembly in various industrial equipment
- Headless configuration allowing flush mounting in space-constrained applications
Professional Applications & Engineering Value
This brass set screw delivers exceptional performance in demanding industrial settings where corrosion resistance and precision are paramount. The UNC coarse thread configuration with Class 3A thread fit ensures rapid assembly while maintaining tight tolerances for secure fastening in machinery, electrical enclosures, and precision instruments. The cup tip design provides concentrated contact pressure, preventing component slippage in high-vibration environments. Manufactured from brass material with Rockwell B55 hardness, this hex drive set screw offers the perfect balance between machinability and strength, making it ideal for applications requiring repeated adjustments without thread degradation. The headless configuration and right-hand threading simplify installation in confined spaces while maintaining reliable performance.
Specification Summary & Compliance
This precision 2-56 UNC set screw features a 3/16" length with .035" hex drive and cup tip configuration. The fastener maintains Class 3A thread fit tolerances as specified in ASME B18.3 standards, ensuring consistent performance across industrial applications. The product is fully compliant with RoHS 3 (2015/863/EU) environmental directives and meets REACH (EC 1907/2006) requirements for hazardous substance restrictions, making it suitable for global industrial supply chains.
