Dormer M Machine Tap Spiral Flute 35 , Pack of 1

HSS-E-PM Premium Powder Metal substrate provides superior abrasion resistance and edge strength 35 degree helix and specific rake designed for excellent performance when threading blind holes Special flute geometry prevents nest formation of swarf, reducing the risk of re-cutting swarf on reversal Bright finish helps prevent built-up-edge when tapping sticky materials and keep a sharp edge for non-ferrous materials Optimum design provides consistently high tool life and reliability when tapping at higher cutting speeds