" Characteristics: Taps and matrices are tools used to create threads in all kinds of metal work projects. The tap is used to cut or form a wire on the inner surface of a hole, which creates Effectively a nut, while an AWL is used to cut or form corresponding bolts. The two tools can also be used with cutting oil to clean the dirty, rusty or worn threads of old nuts and bolts, for example car candle spindles, which often suffer from corrosion and accumulation . of carbon. & nbsp; Made of high quality alloy steel, these taps and matrices, with precise use and cutting oils, will type and fix the typical metals such as carbon and alloy steel, cast iron, aluminum , brass and bronze. Three and four flute taps and dies with coarse and the fine -taned sons. The bright edges help to align and start the tap in an unexploited hole. Cut new materials or hunt slightly damaged threads, such as old screws, ignition candles, nuts and bolts affected by rust. The key handles hold the tap and the parts