S-93140A120 1/4"-20 x 1/2" Plastic Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional temperature resistance maintains structural integrity from -40°F to 210°F for reliable performance in diverse environments
• Optically clear polycarbonate construction provides both aesthetic appeal and corrosion-free performance in visible applications
• Precision Class 2A thread fit ensures smooth installation and secure fastening in UNC threaded components
• Standard 82° countersink angle allows for flush mounting with common chamfered holes
• Full threading along the 1/2" length delivers maximum grip strength and adjustment flexibility
• RoHS 3 and REACH compliance guarantees environmental responsibility and regulatory acceptance
• Right-hand coarse threading enables quick assembly and disassembly in standard applications

Professional Applications & Engineering Value

These clear polycarbonate flat head screws solve critical challenges in applications where visibility, chemical resistance, and electrical insulation are paramount. The 1/4"-20 UNC coarse thread configuration with Class 2A fit provides reliable engagement in plastic and soft material assemblies, while the slotted drive offers traditional installation compatibility. Engineered for electronic enclosures, display systems, and optical equipment, these screws eliminate metallic corrosion concerns and prevent galvanic reactions. The temperature-resistant polycarbonate material maintains dimensional stability across extreme conditions, making them ideal for outdoor instrumentation, laboratory equipment, and consumer products requiring both functionality and aesthetic transparency.

Specification Summary & Compliance

This flat head slotted screw features precise 1/4"-20 UNC coarse threads with Class 2A fit tolerance per standard inch system requirements. The fully threaded design extends the complete 1/2" length with standard 82° countersink profile. Manufacturing and material compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence for global industrial applications.