S-93140A521 8-32 x 3/4" ASME B18.6.3 Plastic Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional visibility and aesthetic integration with clear polycarbonate construction, ideal for applications requiring transparency or color matching.
• Reliable performance across extreme temperatures from -40° to 210° F, ensuring stability in diverse operating environments.
• Superior thread engagement and assembly precision with a Class 2A thread fit and coarse UNC threading for faster installation and secure fastening.
• Flush, low-profile mounting enabled by the standard 82° countersink angle and flat head design, preventing snagging and providing a smooth surface finish.
• Full threading along the 3/4" length maximizes grip and load distribution, enhancing joint strength in plastic assemblies.
• Compliance with major industry and environmental standards including ASME B18.6.3, RoHS 3, and REACH, ensuring safety and regulatory acceptance.
• Easy manual installation and removal with a standard slotted drive, offering simplicity for maintenance and adjustments.

Professional Applications & Engineering Value

This 8-32 UNC flat head slotted screw is engineered from durable polycarbonate plastic to address critical needs in industrial and electronic assemblies where metal fasteners are unsuitable. Its clear material provides optical clarity for inspection windows, light guides, or discreet fastening in consumer electronics and display units. The fully threaded coarse spacing ensures robust holding power in plastic substrates, reducing the risk of stripping. The 82° countersink angle and flat head profile allow for seamless integration into panels and enclosures, minimizing aerodynamic drag or obstruction in machinery. Ideal for applications requiring non-conductive, corrosion-resistant properties, these screws are perfect for HVAC components, medical devices, and outdoor equipment exposed to temperature extremes from -40° to 210° F. By meeting ASME B18.6.3 specifications, they guarantee dimensional consistency and reliability in high-volume production environments.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 2A thread fit and UNC coarse thread spacing, ensuring consistent performance in threaded holes. Manufactured in compliance with ASME B18.6.3 for mechanical and dimensional integrity. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming it is free from hazardous substances and suitable for global markets. The right-hand thread direction and standard flat head profile are designed for universal compatibility.