S-98704A925 5/16"-24 x 1 3/8" Thumb Screws

Key Features & Benefits at a Glance

• Superior grip and handling with knurled acetal plastic head for secure manual operation without tools
• Excellent corrosion resistance from 18-8 stainless steel construction ensuring long-term durability in harsh environments
• Precise thread engagement with Class 3A fine thread fit for reliable fastening in critical applications
• Low-profile round head design providing clearance in tight spaces while maintaining easy accessibility
• Dual operation flexibility through both thumb manipulation and 1/4" hex drive compatibility
• Wide temperature tolerance with head operating range from 32° to 180° F for various industrial settings
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe usage

Professional Applications & Engineering Value

This 5/16"-24 UNF thumb screw combines the corrosion-resistant properties of 18-8 stainless steel with the ergonomic advantages of a black knurled acetal plastic head to solve common industrial fastening challenges. The Class 3A thread fit ensures precise engagement in applications requiring repeated adjustments, such as access panels, electronic enclosures, and machinery guards. The fully threaded design provides consistent clamping force along the entire 1 3/8" length, while the low-profile round head minimizes protrusion in space-constrained environments. This thumb screw delivers reliable performance in assembly lines, maintenance operations, and equipment requiring frequent disassembly, reducing installation time and improving operational efficiency.

Specification Summary & Compliance

Manufactured to UNF thread standards with Class 3A thread fit precision, this thumb screw features a 5/16"-24 fine thread configuration for optimal engagement. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors. The fully threaded construction maintains consistent performance throughout the fastener's length, meeting rigorous industrial fastening requirements.