RED RING machine tap, DIN 371, HSS-E, M 4 x 0,7 

short-chipping materials fro1.200 N/mm² tensile strength for through and blind holes. The particularly robust design and the special flute profile of this tap is suitable for extreme applications. The Thread Lead Form A and an additional short Thread Lead facilitate processing. Thread type: metric ISO-thread DIN 13 Norm: DIN 371 Material: HSS-E