S-92991A142 6-32 x 1/8" 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
- Corrosion-resistant brass construction ensures long-term reliability in humid or chemically aggressive environments without rust or degradation.
- Precise Class 3A thread fit delivers superior assembly accuracy and vibration resistance for secure, long-lasting fastening in critical applications.
- Compact 1/8" length and headless design allows installation in confined spaces where standard screws cannot fit, maximizing design flexibility.
- 1/16" hex drive provides excellent torque transmission and slip resistance during installation, reducing tool wear and installation errors.
- Cup tip design bites firmly into shaft materials, preventing component slippage and maintaining positional integrity under dynamic loads.
- Rockwell B55 hardness offers optimal balance between machinability and wear resistance, extending service life in high-cycle applications.
- Coarse UNC threads enable quicker installation and better debris clearance compared to fine threads, reducing assembly time in industrial settings.
Professional Applications & Engineering Value
This brass set screw with 6-32 UNC coarse thread and Class 3A fit solves critical challenges in precision assemblies. The headless design and compact 1/8" length make it ideal for securing collars, gears, and knobs on shafts in confined machinery spaces. The cup tip creates positive locking action against rotating components, while the 1/16" hex drive ensures reliable torque application without cam-out. Brass material provides natural corrosion resistance for marine, plumbing, and electrical applications where galvanic compatibility is essential. These set screws maintain positional accuracy in vibratory environments, preventing costly downtime in automation equipment, precision instruments, and OEM machinery.
Specification Summary & Compliance
Manufactured to ASME B18.3 specifications with Class 3A thread fit ensuring precise dimensional tolerances. The 6-32 UNC coarse thread with right-hand direction follows standardized inch system requirements. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and material restrictions adherence for global industrial applications.
