S-91833A102 1-72 Thumb Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Enhanced grip and torque application thanks to the fully knurled round head design, reducing slippage during manual adjustments
• Precise, reliable fastening ensured by Class 2B thread fit and UNF fine thread for secure connections in precision assemblies
• Quick and easy hand installation with the standard thumb nut profile, eliminating the need for tools in frequent adjustment applications
• Broad compatibility with inch-system components and right-hand threaded rods, streamlining inventory and assembly processes
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for use in regulated industries and global markets
• Optimized size for confined spaces with compact 1/4" height and 3/8" head diameter, ideal for electronics and instrumentation

Professional Applications & Engineering Value

This 1-72 UNF fine thread thumb nut delivers critical engineering advantages in applications requiring frequent manual adjustments and corrosion resistance. Manufactured from 18-8 stainless steel, it withstands moisture, chemicals, and temperature variations, preventing rust and maintaining thread integrity in industrial, marine, and electronic environments. The fully threaded design and Class 2B thread fit provide consistent engagement and vibration resistance, reducing loosening in dynamic assemblies. The knurled round head offers a secure grip even with oily hands or gloves, enhancing operator safety and efficiency. Ideal for securing panels, calibrating instruments, and assembling prototypes, this component solves the dual challenges of durability and user-friendly operation without compromising on precision.

Specification Summary & Compliance

This thumb nut adheres to UNF fine thread standards with a Class 2B thread fit for consistent dimensional accuracy and interchangeability. Key specifications include a 1-72 thread size, right-hand thread direction, and inch-based measurements (e.g., 3/8" head diameter, 1/4" height). The product is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of restricted hazardous substances and suitable for global supply chains.