Ruko Hand Threading Tap Set BSW ~ DIN 352 HSS Ground

For through threads and blind hole threads in unalloyed and low alloy steels up to
800 N/mm² strength, malleable cast iron and non-ferrous metals. The thread is tapped in three steps.
3-piece sets: roughing, intermediate and finishing.
Thread: Whitworth BSW, formerly DIN11. Tolerance: ISO 2/6H. Bright surface. Right-hand cut.
Plastic box with hanger.