The hand tap consists of heavy-duty high-speed steel. For through threads and bottoming threads in unalloyed and low-alloyed steels up to a strength of 800 N/mm², malleable cast iron and non-ferrous metals. The thread is cut in three operation.
- Item number: 246078UNC
- Nominal thread size UNC: 7/8"
- Net weight: 510 g
- Number of gears per inch: 9
- Core hole diameter: 19.5 mm
- Length: 100.0 mm
- Spiral length: 40.0 mm