
| Overall length | Thread length | Thread+ lengt | Neck h S l | hank ength | Shank dia. | Size of square | Length of square | ||||||
| H-HT Han | d Taps | for Hard-to | -Machine | Ma | terials | L | ℓ | ℓn | ℓs | Ds | K | ℓk | |
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | Type | Stock |
| M16×2 | P5 | ETHMT016Q5 ETHMT016Q1 | 5P 2.5P | 95 | 26 | - | 48 | 12.5 | 10 | 13 | 4 | 2 | ○ |
| M16×1.5 | P4 | ETHMS016O5 ETHMS016O1 | 5P 2.5P | 95 | 26 | - | 48 | 12.5 | 10 | 13 | 4 | 2 | △ |
| M18×2.5 | P5 | ETHMT018R5 ETHMT018R1 | 5P 2.5P | 100 | 33 | - | 51 | 14 | 11 | 14 | 4 | 2 | △ |
| M18×1.5 | P4 | ETHMS018O5 ETHMS018O1 | 5P 2.5P | 100 | 33 | - | 51 | 14 | 11 | 14 | 4 | 2 | △ |
| M20×2.5 | P5 | ETHMT020R5 ETHMT020R1 | 5P 2.5P | 105 | 33 | - | 50 | 15 | 12 | 15 | 4 | 3 | ○ |
| M20×1.5 | P4 | ETHMS020O5 ETHMS020O1 | 5P 2.5P | 105 | 33 | - | 50 | 15 | 12 | 15 | 4 | 3 | △ |
| M22×2.5 | P5 | ETHMT022R5 ETHMT022R1 | 5P 2.5P | 115 | 33 | - | 55 | 17 | 13 | 16 | 4 | 3 | △ |
| M22×1.5 | P4 | ETHMS022O5 ETHMS022O1 | 5P 2.5P | 115 | 33 | - | 55 | 17 | 13 | 16 | 4 | 3 | △ |
| M24×3 | P5 | ETHMT024S5 ETHMT024S1 | 5P 2.5P | 120 | 39 | - | 55 | 19 | 15 | 18 | 4 | 3 | ○ |
| M24×1.5 | P4 | ETHMS024O5 ETHMS024O1 | 5P 2.5P | 120 | 39 | - | 55 | 19 | 15 | 18 | 4 | 3 | △ |
| M27×3 | P5 | ETHMT027S5 ETHMT027S1 | 5P 2.5P | 130 | 39 | - | 60 | 20 | 15 | 18 | 4 | 3 | △ |
| M30×3.5 | P5 | ETHMT030T5 ETHMT030T1 | 5P 2.5P | 135 | 46 | - | 62 | 23 | 17 | 20 | 4 | 3 | △ |