S-90291A146 6-32 ASME B18.3 Set Screws
Set Screws
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Basic Information
Head Parameters
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Vibration-resistant locking with green nylon tip that prevents loosening under dynamic loads
- Superior corrosion resistance from 18-8 stainless steel construction for extended service life
- Precise thread engagement with Class 3A fit ensuring reliable fastening in critical applications
- Wide temperature tolerance (-50° to 250°F) maintaining performance across diverse environments
- Optimized drive transfer through hex drive design providing secure tool engagement
- Enhanced material durability with Rockwell B80 hardness resisting wear and deformation
- Regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for global acceptance
Professional Applications & Engineering Value
This 6-32 UNC thread set screw with nylon tip delivers exceptional value in industrial applications where vibration resistance and material compatibility are critical. The 18-8 stainless steel construction provides excellent corrosion resistance, making it ideal for harsh environments while the Class 3A thread fit ensures precise engagement in machinery, electronics, and automotive assemblies. The green nylon 6/6 plastic tip creates a secure, non-marring lock that prevents damage to shaft surfaces while maintaining holding power. With its coarse thread spacing and right-hand thread direction, this headless set screw offers quick installation and reliable performance in positioning applications, adjustable mechanisms, and precision equipment where repeated adjustments are necessary.
Specification Summary & Compliance
This set screw features 6-32 UNC coarse threads with Class 3A thread fit for precision tolerance, measuring 0.138" in thread diameter and 3/8" in length. Manufactured to ASME B18.3 specifications with Rockwell B80 hardness rating. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The nylon tip maintains integrity across the specified temperature range of -50° to 250°F.
