Because of the different relationship between the shape of the cutting object and the location of the tapping, when using NC, MC and other tapping machines to attack the teeth, the wire attack is sometimes not enough, so we need to use lengthened wire attack. Extended types are generally tap: extended straight slot [LS-HT-V], lengthened spiral [LS-N-SP-V], apex lengthened [LS-N-PO-V] three, titanium coating is to enhance the service life of the screw tap.
·Screwdriver precision grade：YAMAWA P level
·Screwdriver material：HSS-E
·Tooth number of cutting edge：LS-HT-V[1.5tooth/5tooth]，LS-N-SP-V/LS-SP-V[2.5tooth]，LS-N-PO-V/LS-PO-V[5tooth]
·length：L-70mm/100mm/120mm/150mm/200mm
·Suitable for cutting materials: carbon steel, alloy steel, copper, aluminum, zinc and other light alloys under the tensile strength of 750N/mm2.