S-95150A103 3-48 Thumb Nuts

Key Features & Benefits at a Glance

• Enhanced grip and torque application with knurled round head design for secure hand-tightening without tools
• Superior corrosion resistance thanks to 18-8 stainless steel construction, ideal for harsh environments
• Improved load distribution and stability from the integrated flange that acts as an integrated washer
• Quick and easy installation with coarse UNC threading and full threading for rapid assembly
• Reliable thread engagement ensured by Class 2B fit for consistent performance in industrial applications
• Convenient hand-operated design with right-hand thread direction for intuitive tightening
• Environmental compliance assurance meeting REACH and RoHS 3 standards for safe usage

Professional Applications & Engineering Value

This 18-8 stainless steel thumb nut delivers exceptional value in applications requiring frequent adjustments or tool-less maintenance. The flanged design significantly increases bearing surface area, preventing surface damage and reducing loosening under vibration - a critical advantage in machinery, electronics, and automotive assemblies. The knurled round head provides positive grip even with oily hands or gloves, while the coarse UNC 3-48 threading ensures rapid installation in tight spaces. Manufactured from corrosion-resistant 18-8 stainless steel, this component maintains integrity in humid, chemical, or outdoor environments, making it ideal for industrial equipment, marine applications, and food processing machinery where durability and quick access are paramount.

Specification Summary & Compliance

This thumb nut features precise UNC 3-48 coarse threading with Class 2B fit tolerances for reliable thread engagement. The inch-dimensioned component includes a 1/4" collar diameter, 1/8" collar height, and 5/16" head diameter. Manufacturing complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring restriction of hazardous substances. The fully threaded right-hand design provides consistent performance across numerous industrial applications while maintaining dimensional accuracy throughout the fastener.