Screw Tap, Drill Bits, Machine Tap manufacturer / supplier in China, offering High Quality Nrt Extrusion Taps / Forming Taps / Roll Taps M10 X 1.50, High Quality HSS Nut Taps for Stainless Steel Nut Thread Tapping M6.0 X 1.0, High Quality M52 X 5.0 DIN376 HSS-E Spiral Flute Taps and so on.