Presto 651386 - M4 X 0.7 TiCN HSSE DIN371 Spiral Flute PRR40VAX PMC M/C TAP

Machine tap in PMC with approx 40° spiral flute, 2.5 to 3.5 thread chamfer,special flute geometry and inner coolant channel. Recommended for tough, and hard materials and to resist cold chip welding. Used also in synchronised tapping and can be used with minimal lubrication.