
■ Applicable for ultra high speed tapping. Having internal
| Coating | 2D | coolant hole(center through hole), HFAHS is suitable for | |
| aluminum castings, blind hole use. Effective in vertical | |||
| tapping use. | |||
| Recommended Tapping Speeds depending on Materials |
| Wrought aluminum | Aluminum alloy castings | Magnesium alloy die castings | inc alloy castings |
| 30〜100 | 30〜100 | 30〜100 30〜100 | |
| (m/min) | (m/min) | (m/min) | (m/min) |
For icon explanation, refer to P.50 TYPE:1 TYPE:2
Segment:1D
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | Type | Stock |
| For Metric Threads | |||||||||||||
| M6×1 | P4 | HFAHSS6.0M | 2.5P | 62 | 11 | 27 | 32 | 6 | - | - | 3 | 1 | ○ |
| M8×1.25 | P4 | HFAHSS8.0N | 2.5P | 70 | 12 | - | 36 | 8 | - | - | 3 | 2 | ○ |
| M10×1.5 | P4 | HFAHSS010O | 2.5P | 75 | 13 | - | 37 | 10 | - | - | 3 | 2 | ○ |
| M10×1.25 | P4 | HFAHSS010N | 2.5P | 75 | 12 | - | 37 | 10 | - | - | 3 | 2 | ○ |
| M12×1.75 | P4 | HFAHSS012P | 2.5P | 82 | 15 | - | 40 | 12 | - | - | 3 | 2 | ○ |
| M12×1.5 | P4 | HFAHSS012O | 2.5P | 82 | 14 | - | 40 | 12 | - | - | 3 | 2 | ○ |
| M12×1.25 | P4 | HFAHSS012N | 2.5P | 82 | 14 | - | 40 | 12 | - | - | 3 | 2 | ○ |
| M14×1.5 | P4 | HFAHSS014O | 2.5P | 88 | 14 | - | 40 | 12 | - | - | 3 | 2 | ○ |
| M16×1.5 | P4 | HFAHSS016O | 2.5P | 95 | 14 | - | 43 | 16 | - | - | 3 | 2 | ○ |
| M18×1.5 | P4 | HFAHSS018O | 2.5P | 100 | 14 | - | 45 | 16 | - | - | 3 | 2 | ○ |
| M20×1.5 | P5 | HFAHST020O | 2.5P | 105 | 14 | - | 45 | 16 | - | - | 3 | 2 | ○ |
Remarks: 1.HFAHS do not have square on its shank, please use holders having strong gripping force, such as milling chucks. 2.Rear end of the shank is to tongue specification. If the portion which contacts the rear end has V saucer shape, coolant may leak.