S-91744A150 1/4"-20 x 2" Thumb Screws

Key Features & Benefits at a Glance

• Effortless hand-tightening with spade-shaped thumb head for maximum grip without tools
• Superior corrosion resistance through 18-8 stainless steel construction
• Enhanced stability and load distribution from integrated flange design
• Reliable coarse threading with UNC 1/4"-20 pattern for quick installation
• Precision thread fit meeting Class 2A standards for consistent performance
• Full 2" threading length providing maximum engagement in various applications
• Environmental compliance with RoHS 3 and REACH regulations

Professional Applications & Engineering Value

This heavy-duty thumb screw solves critical industrial challenges where tool-free assembly and disassembly are essential. The 18-8 stainless steel construction provides exceptional corrosion resistance in harsh environments, while the spade head design offers superior torque application for secure fastening. The integrated flange distributes clamping pressure evenly, preventing surface damage and maintaining structural integrity. With full UNC coarse threading and Class 2A thread fit, these screws deliver reliable performance in machinery panels, electronic enclosures, and industrial equipment requiring frequent access. The right-hand thread direction ensures intuitive operation for maintenance personnel across various sectors.

Specification Summary & Compliance

This thumb screw features precision UNC 1/4"-20 coarse threading with Class 2A thread fit for consistent engagement and reliable performance. The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial and commercial applications. The fully threaded 2" length and flanged spade head design meet industry standards for hand-operated fastening solutions.