S-95639A379 Length 1 3/4" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh or humid industrial environments
• Exceptional holding power through thread forming technology, creating strong, permanent threads in sheet metal without pre-tapping
• Streamlined installation with No. 2 Phillips drive and pointed tip for quick starting and reduced assembly time
• Clean, finished appearance with standard oval head design that sits flush with material surfaces
• Full-length threading ensures maximum grip along the entire 1-3/4" length for secure fastening in sheet metal up to 0.025" thickness
• Precise compatibility with No. 29 drill bit (0.136" diameter) for optimal hole preparation and thread formation
• Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This 316 stainless steel Phillips oval head tapping screw delivers exceptional performance in sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming technology (A/AB type) creates stronger, more reliable connections than traditional thread-cutting screws by displacing material rather than removing it, resulting in zero chip generation and reduced risk of contamination in sensitive assemblies. The combination of fully threaded design and precise 15 threads per inch pitch ensures maximum engagement with thin-gauge materials up to 0.025" thickness, preventing stripping and maintaining clamping force under vibration. The oval head profile with 82° countersink angle provides a smooth, finished appearance while the No. 2 Phillips drive offers familiar, efficient installation for production environments.

Specification Summary & Compliance

This No. 8 x 1-3/4" tapping screw features a 0.164" thread diameter with 15 threads per inch in right-hand direction, manufactured to standard thread forming specifications for sheet metal applications. The screw is designed for use with No. 29 drill bit (0.136" diameter) and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications with strict material restrictions.