
■ Suitable for through hole tapping of
| Coating | <2D | medium hardness steels such as forgings | |
| of high carbon steels and thermal refined | |||
| steels. (25HRC~35HRC) | |||
| Recommended Tapping Speeds depending on Materials |
| High carbon steels | Alloy steels | Thermal refined steels | |
| 10高炭素鋼20 | 10合金鋼20 | 10調質鋼20 | |
| (m/min) | (m/min) | ( m/ min) |
25〜35HRC TYPE:1 TYPE:2
Segment:1T
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | TYPE |
| F | or Metri | c Threa | ds | l | ||||||||
| M2.5 × 0.45 | ISO2X | 3109101029 | 5P | 50 | 8 | 15 | 33 | 2.8 | 2.1 | 5 | 3 | 1 |
| M3 × 0.5 | ISO2X | 3109101035 | 5P | 56 | 9 | 18 | 34 | 3.5 | 2.7 | 6 | 3 | 1 |
| M3.5 × 0.6 | ISO2X | 3109101038 | 5P | 56 | 11 | 20 | 32 | 4 | 3 | 6 | 3 | 1 |
| M4 × 0.7 | ISO2X | 3109101042 | 5P | 63 | 13 | 21 | 38 | 4.5 | 3.4 | 6 | 3 | 1 |
| M4.5 × 0.75 | ISO2X | 3109101045 | 5P | 70 | 14 | 24 | 39 | 6 | 4.9 | 8 | 3 | 1 |
| M5 × 0.8 | ISO2X | 3109101049 | 5P | 70 | 14 | 25 | 39 | 6 | 4.9 | 8 | 3 | 1 |
| M5 × 0.5 | ISO2X | 3109101051 | 5P | 70 | 11 | - | - | 3.5 | 2.7 | 6 | 3 | 2 |
| M6×1 | ISO2X | LD6.0MBFCL5 | 5P | 80 | 15 | 30 | 45 | 6 | 4.9 | 8 | 3 | 1 |
| M8×1.25 | ISO2X | LD8.0NBFCL5 | 5P | 90 | 19 | 35 | 47 | 8 | 6.2 | 9 | 3 | 3 |
| M10×1.5 | ISO2X | LD010OBFCL5 | 5P | 100 | 23 | 39 | 52.5 | 10 | 8 | 11 | 3 | 3 |
| M10×1.25 | ISO2X | LM010NBFCL5 | 5P | 100 | 23 | - | 51 | 7 | 5.5 | 8 | 3 | 4 |
| M12×1.75 | ISO2X | LG012PBFCL5 | 5P | 110 | 26 | - | 56 | 9 | 7 | 10 | 4 | 4 |
| M12×1.5 | ISO2X | LM012OBFCL5 | 5P | 100 | 21 | - | 51 | 9 | 7 | 10 | 4 | 4 |
| M12×1.25 | ISO2X | LM012NBFCL7 | 7P | 100 | 21 | - | 51 | 9 | 7 | 10 | 4 | 4 |
| M14×1.5 | ISO2X | LM014OBFCL7 | 7P | 100 | 21 | - | 51 | 11 | 9 | 12 | 4 | 4 |
| M16×1.5 | ISO2X | LM016OBFCL7 | 7P | 100 | 21 | - | 51 | 12 | 9 | 12 | 4 | 4 |