S-92239A340 8-32 Thumb Nuts

Key Features & Benefits at a Glance

• Tool-free installation and removal with wing-style head for rapid assembly/disassembly in time-sensitive operations
• Enhanced load distribution and vibration resistance through integrated 1/2" flat flange design
• Superior corrosion protection with black zinc alloy coating for extended service life in harsh environments
• Reliable thread engagement with Class 2B UNC coarse threads ensuring consistent performance in high-vibration applications
• Optimized mechanical strength through alloy construction supporting repeated adjustment cycles
• Right-hand thread orientation compatible with standard industrial equipment for seamless integration
• Precision dimensional compliance with 8-32 thread specifications guaranteeing interchangeability

Professional Applications & Engineering Value

This flanged thumb nut delivers critical operational advantages in maintenance-heavy environments where tool-free fastening is paramount. The black zinc alloy construction provides exceptional corrosion resistance against moisture, chemicals, and industrial atmospheres, significantly reducing replacement frequency. The integrated flat flange design (1/2" diameter) eliminates need for separate washers while providing superior clamping force distribution - preventing surface damage and maintaining joint integrity under vibration. The 8-32 UNC coarse thread with Class 2B fit ensures rapid threading even in slightly misaligned applications, making it ideal for electrical enclosures, machinery guards, and production jigs requiring frequent access.

Specification Summary & Compliance

Manufactured to UNC coarse thread standards with Class 2B thread fit tolerance for commercial applications. Dimensions include: 8-32 thread size, 1/2" flange diameter, 0.04" flange thickness, and 3/4" width. Complies with ASME B18.6.9 dimensional requirements and RoHS/REACH environmental directives. Right-hand thread direction conforms to industry-standard fastening conventions.