GUHRING Machinetap long version through hole 00851 DIN357N HSS-E M4

Design:HSS-E, DIN 357, tolerance range ISO 2/6H, type N, extra long, the point length is approx. 21-23 threads. Bright surface

Application:For regular metric threads according to ISO DIN 13. Especially for thread cutting in hard to access areas. Particularly suitable for general steels, construction steels, machining steels and case-hardening steels.