Straight Flute Taps: Quick down-ward chip removal and smooth tapping experience without blockage, Good cutting effect suitable for through holes and shallow blind holes
Identification Marking: Thread taps with carved marking size on the corresponding shank that you can easily find them and use for tapping various thread
Widely Application: Countersink Thread Tapping Tool ideal for tapping aluminum alloy plates, iron, aluminum, copper, general steel and other materials, use with hand tap wrench, drill presses, tapping machines, CNC and milling machines