
| N-CT FC | Carbide | Taps for Ca | st Irons | Overall length L | Thread length ℓ | Thread+Neck length ℓn | Shank length ℓs | Shank dia. Ds | Size of square K | Length of square ℓk | ||
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | Type | Stock |
| M12×1.5 | P4 | TCNS012O1 | 1.5P | 82 | 24 | - | 8.5 | 6.5 | 9 | 4 | 4 | △ |
| M12×1.25 | P3 P4 | TCNR012N3 TCNR012N1 TCNS012N3 TCNS012N1 | 3P 1.5P 3P 1.5P | 80 | 22 | - | 8.5 | 6.5 | 9 | 4 | 4 | ○ △ |
| M12×1 | P3 P4 | TCNR012M3 TCNR012M1 TCNS012M3 TCNS012M1 | 3P 1.5P 3P 1.5P | 70 | 19 | - | 8.5 | 6.5 | 9 | 4 | 4 | △ |
| M14×2 | P3 P4 | TCNR014Q3 TCNR014Q1 TCNS014Q3 TCNS014Q1 | 3P 1.5P 3P 1.5P | 88 | 30 | - | 10.5 | 8 | 11 | 4 | 4 | △ ○ |
| M14×1.5 | P3 P4 | TCNR014O3 TCNR014O1 TCNS014O3 TCNS014O1 | 3P 1.5P 3P 1.5P | 88 | 24 | - | 10.5 | 8 | 11 | 4 | 4 | ○ △ |
| M14×1.25 | P3 P4 | TCNR014N3 TCNR014N1 TCNS014N3 TCNS014N1 | 3P 1.5P 3P 1.5P | 88 | 22 | - | 10.5 | 8 | 11 | 4 | 4 | △ |
| M14×1 | P3 P4 | TCNR014M3 TCNR014M1 TCNS014M3 TCNS014M1 | 3P 1.5P 3P 1.5P | 70 | 19 | - | 10.5 | 8 | 11 | 4 | 4 | △ |
| M16×2 | P4 | TCNS016Q3 TCNS016Q1 | 3P 1.5P | 95 | 30 | - | 12.5 | 10 | 13 | 4 | 4 | ○ |
| M16×1.5 | P3 P4 | TCNR016O3 TCNR016O1 TCNS016O3 TCNS016O1 | 3P 1.5P 3P 1.5P | 95 | 24 | - | 12.5 | 10 | 13 | 4 | 4 | △ ○ |
| M16×1 | P4 | TCNS016M3 TCNS016M1 | 3P 1.5P | 75 | 19 | - | 12.5 | 10 | 13 | 4 | 4 | ○ |
| M18×2.5 | P4 | TCNS018R3 TCNS018R1 | 3P 1.5P | 100 | 35 | - | 14 | 11 | 14 | 4 | 4 | △ |
| M18×1.5 | P4 | TCNS018O3 TCNS018O1 | 3P 1.5P | 95 | 24 | - | 14 | 11 | 14 | 4 | 4 | ○ |
| M20×2.5 | P4 | TCNS020R3 TCNS020R1 | 3P 1.5P | 105 | 35 | - | 15 | 12 | 15 | 4 | 4 | ○ |
| M20×1.5 | P4 | TCNS020O3 TCNS020O1 | 3P 1.5P | 95 | 24 | - | 15 | 12 | 15 | 4 | 4 | ○ |
| M22×2.5 | P4 | TCNS022R3 TCNS022R1 | 3P 1.5P | 115 | 35 | - | 17 | 13 | 16 | 4 | 4 | △ |
| M22×1.5 | P4 | TCNS022O3 TCNS022O1 | 3P 1.5P | 95 | 24 | - | 17 | 13 | 16 | 4 | 4 | △ |
| M24×3 | P4 | TCNS024S3 TCNS024S1 | 3P 1.5P | 120 | 35 | - | 19 | 15 | 18 | 4 | 4 | △ |
| M24×1.5 | P4 | TCNS024O3 TCNS024O1 | 3P 1.5P | 95 | 24 | - | 19 | 15 | 18 | 4 | 4 | △ |