
Medium carbon steels High carbon steels
(m/min) (m/min)
●Straight flutes are shallow so the taps strength is very high.
| PO | For low-speed machining on drilling | +PO | For CNC Machining center at medium speed | ||
| machines and CNC machining centers | machining. Synchronous feed is recommended. | ||||
| Standard tap series PO for through holes. | Plus series + PO for through holes. |
| Old Name | New Name Size Range | Old Name | New Name | Size Range | |||
| N-PO | PO M1.2〜M50 | N+PO | +PO | M3〜M6 | |||
| The PO and +PO use similar wording but have different | The PO and +PO use similar wording but have different | ||||||
| meanings. | meanings. | ||||||
| * Both are general-purpose spiral point taps developed for the processing environment of our customers. | |||||||
| Application chart |
| Slow | Tapping Speed | Fast | ||
| Hard | Hard |
5m/min 10m/min 15m/min 20m/min
Work piece Material Fully synchronous feed area Work piece Material
| Alloy | SCM | SCM | Alloy |
| Steel | SCr | SCr | Steel |
| High | S55C | S55C | High |
| Carbon | Carbon | ||
| Steel | S45C | S45C | Steel |
| S45C | S45C | ||
| Medium | Medium | ||
| Carbon | +PO | Carbon | |
| Steel | S30C | PO S30C | Steel |
S30C S30C Low Low Carbon Carbon Steel Steel
SS400 SS400
5m/min 10m/min 15m/min 20m/min
It is an image diagram of a processable range.