H.D. Chasen Company

3/8"-30 taper tap - best for through holes

3/8"-30 plug tap - general purpose

3/8"-30 bottoming tap - best for blind holes

1-1/4"-18 nef taper tap - best for through holes

1-1/4"-18 nef plug tap - general purpose

1-1/4"-18 nef bottoming tap - best for blind holes

13/16"-18 ns taper tap - best for through holes

13/16"-18 ns plug tap - general purpose

13/16"-18 ns bottoming tap - best for blind holes

3/8"-32 nef taper tap - best for through holes

3/8"-32 nef plug tap - general purpose

3/8"-32 nef bottoming tap - best for blind holes

1-1/4"-20 ns taper tap - best for through holes

1-1/4"-20 ns plug tap - general purpose

1-1/4"-20 ns bottoming tap - best for blind holes

13/16"-20 nef taper tap - best for through holes

13/16"-20 nef plug tap - general purpose

13/16"-20 nef bottoming tap - best for blind holes

2-7/8"-8 ns taper tap - best for through holes

2-7/8"-8 ns plug tap - general purpose