H.D. Chasen Company

4-3/4"-8 taper tap - best for through holes

4-3/4"-8 plug tap - general purpose

4-3/4"-8 bottoming tap - best for blind holes

5/16"-16 taper tap - best for through holes

5/16"-16 plug tap - general purpose

5/16"-16 bottoming tap - best for blind holes

11/16"-20 ns taper tap - best for through holes

11/16"-20 ns plug tap - general purpose

11/16"-20 ns bottoming tap - best for blind holes

1-1/8"-24 ns taper tap - best for through holes

1-1/8"-24 ns plug tap - general purpose

1-1/8"-24 ns bottoming tap - best for blind holes

1-11/16"-18 taper tap - best for through holes

1-11/16"-18 plug tap - general purpose

1-11/16"-18 bottoming tap - best for blind holes

2-3/8"-18 taper tap - best for through holes

2-3/8"-18 plug tap - general purpose

2-3/8"-18 bottoming tap - best for blind holes

5/16"-18 unc taper tap - best for through holes

5/16"-18 unc plug tap - general purpose