TPI: 40 Teeth per Inch, Cutting Direction: Right Hand, Accuracy Class: 2B.. Material: high-temperature quenching of 6542 high-speed steel(M2), higher toughness and wear resistance. With Ti-Coated for improving wear and fusion resistance.. Features: Chips are discharged upwards when machining threads, the flute geometry enables efficient chip evacuation even in long holes, ideal for both through-hole and blind-hole threading.. Applications: Can be used for tapping stainless steel (below 30HRC), aluminum, die steel, ordinary steel, non-ferrous metals, hard plastics, etc.. Package Include: 1pc 4-40 UN Spiral Flute Tap..
