uxcell Machine Tap 540 UNC Thread 2B Class 3 Flutes High Speed Steel Screw Threading Tap Tapping Tool 2pcs

Thread Tap Thread Size 540 UNC Class 2B Thread Length 17mm 067 inch Shank Side Width 27mm 011 inch Total Length 52mm 2 inch High Speed Steel Tap The screw tap has high wear resistance fast cutting speed high strength and hardness and long service life With uncoated base substrate only suitable for general purpose tapping Wide Applications The thread tap is suitable for drilling mild steels aluminum iron copper stainless steel hard plastic processing through holes or shallow holes Add appropriate tapping oil for higher quality internal threads and more durable taps Straight Flute Tap Straight 3 flutes are ground to provide rapid downward downward chip removal for efficient threading clear threads without burrs right hand tapping direction Micro taps are mainly used in clocks and watches for machining holes in wood and soft metals with low hardness Machine Taps Used in drilling machines tapping machines automatic machines machining centers CNC milling machines not recommended for hand and electric drill tapping Recommended feed speed ordinary steel 615mmin harder steel material 510mmin stainless steel 27mmin cast iron 810mmin.