
| High speed steel | For blind hole with | Spiral pointed tap |
| through coolant hole | through hole use | |
| High speed steel | For through hole with | Hand tap |
| (Cobalt HSS) | radial coolant hole | through hole use |
Hand tap
| Powder HSS | For left hand thread | blind hole use | |
| Left hand | |||
| Ultra micro grain | For synchronized | Spiral fluted tap | |
| cemented carbide | feeding | through hole use |
Number of threads Spiral fluted tap
Alloy steel on chamfer blind hole use
Center drills Low spiral
| Oxidizing | left hand cut | fluted tap |
| blind hole use | ||
| Oxide | ||
| Low spiral fluted tap | ||
| <2D | blind hole use | |
| Nitriding | Cutting length | specially for horizontal |
Nitride tapping Stainless steels ステンレス鋼510 Specification Nitriding/Oxidizing Tapping Speeds
Nitride+Oxide
Coated