S-98816A249 10-32 x 1/2" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual operation with knurled round head design for superior grip and slip-resistant tightening without tools
• Exceptional corrosion resistance due to high-quality brass construction, ideal for demanding industrial environments
• Reliable thread engagement with 10-32 UNF fine threading and Class 2A fit ensuring precise, vibration-resistant connections
• Optimized mechanical strength featuring 50,000 psi tensile strength and Rockwell B78 hardness for durable, long-lasting performance
• Full-threaded versatility allowing consistent fastening along the entire 1/2" length for various material thicknesses
• Secure raised head profile with integrated collar providing stable seating and improved torque distribution
• Environmental compliance meeting RoHS 3 standards for safe use in regulated commercial and industrial applications

Professional Applications & Engineering Value

This brass thumb screw delivers critical advantages in applications requiring frequent adjustments or tool-free maintenance. The knurled head texture combined with the raised round profile enables secure hand-tightening in confined spaces, eliminating slippage common in high-vibration environments. Engineered with 10-32 UNF fine threads and Class 2A thread fit, it maintains precise alignment in electronic enclosures, machinery guards, and precision instruments where repeated access is necessary. The fully threaded design ensures consistent clamping force across varying material depths, while the brass construction resists corrosion in humid or chemical-exposed settings. These features make it ideal for industrial equipment, aerospace components, and telecommunications hardware where reliability and quick serviceability are paramount.

Specification Summary & Compliance

This thumb screw maintains Class 2A thread tolerances per UNF standards with right-hand threading direction. Manufacturing complies with RoHS 3 (2015/863/EU) regulations under exemption 6(c) for lead in copper alloys. Dimensional accuracy includes 1/2" length, 1/2" head diameter, and fine thread spacing (32 TPI) with full threading coverage. Mechanical properties are verified to 50,000 psi tensile strength and Rockwell B78 hardness for consistent performance in commercial and industrial fastening applications.