Machine Tap, extra long, ≈ DIN 371, HSS-E, M 12 x 1.75 

for general use for thread cutting in hard to be reached places - non abrasive material up to 900 N/mm² - unalloyed and low alloyed steel - for blind holes Thread type: metric ISO-thread DIN 13, 150 mm Norm: ≈ DIN 371 Material: HSS-E