S-94955A075 1/4"-20 x 3/4" Thumb Screws

Key Features & Benefits at a Glance

• Superior hand-tightening grip with knurled head texture for secure, tool-free installation and removal in tight spaces
• Excellent corrosion and chemical resistance due to durable black nylon plastic construction, ideal for harsh environments
• Reliable fastening strength with 13,000 psi tensile strength, providing secure holds for medium-duty applications
• Wide temperature tolerance from -40°F to 185°F, ensuring performance stability across various operating conditions
• Quick and easy coarse thread engagement with UNC 1/4"-20 threading and Class 2A fit for rapid assembly and reduced cross-threading risk
• Low-profile round head design minimizes protrusion, making it suitable for applications with limited clearance
• Compliance with environmental regulations including RoHS 3 and REACH, supporting sustainable and safe manufacturing practices

Professional Applications & Engineering Value

This black nylon thumb screw is engineered to address common industrial challenges where corrosion resistance, electrical insulation, and tool-free operation are critical. The low-profile knurled head provides exceptional manual grip, reducing installation time and eliminating the need for specialized tools in maintenance-heavy environments like electronic enclosures, panel fastening, and adjustable machinery components. Made from robust nylon plastic, it withstands exposure to moisture, chemicals, and UV light without degrading, preventing galvanic corrosion when used with dissimilar metals. The UNC coarse thread and Class 2A fit ensure quick, secure engagement in plastics and soft metals, reducing the risk of stripping threads in repetitive assembly-disassembly cycles. Ideal for applications in electronics, automotive, and consumer goods, this screw delivers reliable performance while meeting stringent RoHS 3 and REACH compliance standards.

Specification Summary & Compliance

This thumb screw adheres to UNC 1/4"-20 coarse thread standards with a Class 2A thread fit for consistent dimensional accuracy and reliable engagement. It is fully threaded with a right-hand direction and manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. The screw features a length of 3/4" and a head diameter of 3/4", designed for precise application requirements.