5/16-18, 0.431" Small to 0.448" Large End Hole Diam, Brass Single Vane Tapered Hole Threaded Insert MPN:TH-518-SV

Thread Forming Tap is an exceptional tool designed to quickly and easily create high-quality threads in numerous materials such as plastics or aluminum without the need for secondary chasing operations due to its plug design, which offers time and cost savings while ensuring great thread formation quality. The cobalt construction of this precision product adds extra durability needed when working with demanding applications across multiple industries from automotive restoration shops to electronic manufacturers, making Thread Forming Tap the go-to choice for machinists searching for precision thread creation in different materials quickly and efficiently without compromising on surface finish.