S-90434A175 Length 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black Oxide Steel coating, extending service life in demanding industrial environments
• Efficient thread forming action with Tri-Lobe shank design, creating strong, permanent threads in plastic materials without chips
• Secure flush installation thanks to the standard flat head profile and 82° countersink angle for clean, professional finishes
• Reliable drive engagement with No. 2 Phillips drive style, minimizing cam-out and ensuring consistent torque application
• Optimized plastic fastening with blunt tip design that prevents material splitting while maintaining precise alignment
• Full-length threading provides maximum grip strength and uniform stress distribution along the entire fastener length
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in various industrial applications

Professional Applications & Engineering Value

Engineered specifically for plastic assembly applications, these TRS thread forming screws deliver exceptional performance where traditional fasteners fail. The Tri-Lobe shank cross-section displaces plastic material during installation, creating strong, vibration-resistant threads without generating chips that could compromise electronic components or sensitive assemblies. The Black Oxide Steel construction provides essential corrosion protection in environments where moisture or chemicals are present, while the Phillips flat head design ensures flush mounting for aesthetic and safety requirements. These thread forming fasteners are particularly valuable in automotive trim, electrical enclosures, consumer electronics, and industrial equipment where reliable plastic fastening is critical to product integrity and longevity.

Specification Summary & Compliance

This No. 6 x 3/4" TRS tapping screw features a thread forming tapping method with right-hand thread direction and approximately 19 threads per inch. The fastener includes a standard flat head profile with 0.262" head diameter and is designed for use with 1/8" drill bits. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial compliance standards are met for global distribution and use.