PRODUCTS Our Range of Threading ToolsChuan Hao is the world’s leading exporter of threading tools, end mills, turning tools, drill tools. Our entire process is customer-centric. Straight Flute Taps spiral taps spiral point taps extrusion taps Aluminum Special Taps DIN371/376 Spiral Taps DIN371/376 Spiral Point Taps Pipe Taps Square End Mills Corner Radius End Mills Ball Nose End Mills Aluminum End Mills Turning Inserts Milling Inserts Drill Bits