
Tungsten carbide flowdrill is environmentally friendly, recyclable and solid to drill steel, stainless steel, copper, aluminum, brass and other metals. Such a flowdrill provides strong threaded connections for metric, imperial and gas threads. More details, please visit: http://www.tungsten-carbide.com.cn/tungsten-carbide-drill.html Tungsten carbide flowdrill is capable of locally displacing material to form increased material thickness. The increased material thickness allows for a stronger fastening connection by tapping, brazing or welding. And there is no waste, no single fastener. Tungsten carbide flowdrill is developed…