S-92741A170 5/16"-18 Thumb Nuts

Key Features & Benefits at a Glance

• Effortless hand-tightening with knurled round head design for superior grip in confined spaces without tools
• Enhanced stability and load distribution through flanged profile that acts as an integrated washer
• Superior corrosion resistance with brass construction for longevity in humid or chemical environments
• Reliable thread engagement with fully threaded 5/16"-18 UNC coarse threads ensuring consistent clamping force
• Precision mating compatibility with Class 2B thread fit maintaining secure connections in vibration-prone applications
• Quick assembly efficiency with right-hand threading following standard industrial rotation conventions
• Regulatory compliance assurance with RoHS 3 certification for environmentally responsible manufacturing

Professional Applications & Engineering Value

This brass thumb nut delivers exceptional value in applications requiring frequent adjustments or tool-less maintenance. The knurled round head provides positive grip even with oily hands or gloves, while the flanged design increases bearing surface to prevent material damage and maintain joint integrity. The UNC coarse threading ensures rapid installation and superior resistance to vibration loosening in machinery, electrical enclosures, and fluid handling systems. Brass construction offers natural corrosion resistance for outdoor equipment, marine components, and plumbing applications where durability matters. The Class 2B thread fit guarantees consistent performance across high-cycle assembly operations, reducing installation time and maintenance costs in industrial settings.

Specification Summary & Compliance

Manufactured to precise dimensional standards with collar diameter 39/64", collar height 15/64", head diameter 11/16", and overall height 13/32". Features UNC coarse threads (5/16"-18) with Class 2B tolerance for reliable mating with corresponding male threads. Fully threaded right-hand design ensures maximum engagement length. Compliant with RoHS 3 (2015/863/EU) standards under exemption 6(c) for lead in copper alloys, meeting international environmental regulations for industrial components.