LWCUSNJ Metric Machine Tap,2pcs M2 x 0.4mm HSS 6542 Straight Flutes Screw Tapping Threading Machinist Repair DIY Tool

【Size】Thread Size: M2 x 0.4mm., 【Material】This thread tap is made of HSS 6542, which is stronger and more durable than ordinary taps., 【Wide Application】Suitable for processing through holes or shallow holes on most metals, iron plate, copper, zinc, alloy steel, abrasive steel, A11 steel, stainless steel, etc. Add appropriate tapping oil for higher quality internal threads and more durable taps., 【Right Hand Tapping】Right hand tapping direction. Straight flute design, rapid downward chip removal for efficient threading, clear threads without burrs.Good for processing through holes or shallow holes., 【Correct Usage】Machine taps used with drilling machines, tapping machines, automatic machines, machining centers, CNC, milling machines, not recommended for hand and electric drill tapping. Recommended feed speed: ordinary steel: 6-15m/min; harder steel material: 5-10m/min; stainless steel: 2-7m/min; cast iron: 8-10m/min.