Short Machine Taps, ≈ DIN 352, HSS-G, W 31.8 x 14 

for general use - non abrasive material up to 900 N/mm² - unalloyed and low alloyed steel - for thread cutting by hand and machine - for blind holes Thread type: tapered Whitworth thread, for gas cylinders taper 3:25, DIN 477 Norm: ≈ DIN 352 Material: HSS-G