Hand tap Rougher, left, DIN 5157, HSS-G, G 1/8 x 28 

for general use - non abrasive material up to 900 N/mm² - unalloyed and low alloyed steel - for through and blind holes - for thread cutting by hand Thread type: Pipe-thread DIN ISO 228 Norm: DIN 5157 Material: HSS-G