
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | Type | Stock |
| M14×1 | P2 | SCMQ014M | 2.5P | 88 | 26 | - | 45 | 10.5 | 8 | 11 | l 3 | 2 | △ |
| M16×2 | P2 | SCMQ016Q | 2.5P | 95 | 26 | - | 48 | 12.5 | 10 | 13 | 3 | 2 | ○ |
| M16×1.5 | P2 | SCMQ016O | 2.5P | 95 | 26 | - | 48 | 12.5 | 10 | 13 | 3 | 2 | △ |
| M16×1 | P2 | SCMQ016M | 2.5P | 95 | 26 | - | 48 | 12.5 | 10 | 13 | 3 | 2 | △ |
| M18×2.5 | P3 | SCMR018R | 2.5P | 100 | 33 | - | 51 | 14 | 11 | 14 | 4 | 2 | △ |
| M18×2 | P3 | SCMR018Q | 2.5P | 100 | 33 | - | 51 | 14 | 11 | 14 | 4 | 2 | △ |
| M18×1.5 | P2 | SCMQ018O | 2.5P | 100 | 33 | - | 51 | 14 | 11 | 14 | 4 | 2 | △ |
| M18×1 | P2 | SCMQ018M | 2.5P | 100 | 18 | - | 51 | 14 | 11 | 14 | 4 | 3 | △ |
| M20×2.5 | P3 | SCMR020R | 2.5P | 105 | 33 | - | 50 | 15 | 12 | 15 | 4 | 4 | ○ |
| M20×2 | P3 | SCMR020Q | 2.5P | 105 | 33 | - | 50 | 15 | 12 | 15 | 4 | 4 | △ |
| M20×1.5 | P3 | SCMR020O | 2.5P | 105 | 33 | - | 50 | 15 | 12 | 15 | 4 | 4 | △ |
| M20×1 | P2 | SCMQ020M | 2.5P | 105 | 18 | - | 50 | 15 | 12 | 15 | 4 | 5 | △ |
| M22×2.5 | P3 | SCMR022R | 2.5P | 115 | 33 | - | 55 | 17 | 13 | 16 | 4 | 4 | △ |
| M22×2 | P3 | SCMR022Q | 2.5P | 115 | 33 | - | 55 | 17 | 13 | 16 | 4 | 4 | △ |
| M22×1.5 | P3 | SCMR022O | 2.5P | 115 | 33 | - | 55 | 17 | 13 | 16 | 4 | 4 | △ |
| M24×3 | P3 | SCMR024S | 2.5P | 120 | 39 | - | 55 | 19 | 15 | 18 | 4 | 4 | △ |
| M24×2 | P3 | SCMR024Q | 2.5P | 120 | 39 | - | 55 | 19 | 15 | 18 | 4 | 4 | △ |
| M24×1.5 | P3 | SCMR024O | 2.5P | 120 | 39 | - | 55 | 19 | 15 | 18 | 4 | 4 | △ |
| M25×1.5 | P3 | SCMR025O | 2.5P | 125 | 39 | - | 58 | 19 | 15 | 18 | 4 | 4 | △ |
| M26×1.5 | P3 | SCMR026O | 2.5P | 130 | 39 | - | 60 | 20 | 15 | 18 | 4 | 4 | △ |
| M27×3 | P3 | SCMR027S | 2.5P | 130 | 39 | - | 60 | 20 | 15 | 18 | 4 | 4 | △ |
| M27×1.5 | P3 | SCMR027O | 2.5P | 130 | 39 | - | 60 | 20 | 15 | 18 | 4 | 4 | △ |
| M28×1.5 | P3 | SCMR028O | 2.5P | 135 | 46 | - | 62 | 23 | 17 | 20 | 4 | 4 | △ |
| M30×3.5 | P4 | SCMS030T | 2.5P | 135 | 46 | - | 62 | 23 | 17 | 20 | 4 | 4 | △ |
| M30×1.5 | P3 | SCMR030O | 2.5P | 135 | 46 | - | 62 | 23 | 17 | 20 | 4 | 4 | △ |
| For Whitworth Thr | eads | ||||||||||||
| Size | Class | Code | Chamfer | L (mm) | ℓ (mm) | ℓn (mm) | ℓs (mm) | Ds (mm) | K (mm) | ℓk (mm) | No. of flutes | Type | Stock |
| 1/4W20 | P2 | SCMQW04N | 2.5P | 62 | 15 | 26 | 33 | 6 | 4.5 | 7 | l 3 | 1 | △ |
| 5/16W18 | P2 | SCMQW05O | 2.5P | 70 | 19 | - | 36 | 6.2 | 5 | 8 | 3 | 2 | △ |
| 3/8W16 | P2 | SCMQW06P | 2.5P | 75 | 23 | - | 38 | 7 | 5.5 | 8 | 3 | 2 | △ |
| 1/2W12 | P3 | SCMRW08S | 2.5P | 88 | 26 | - | 45 | 10.5 | 8 | 11 | 3 | 2 | △ |
| 5/8W11 | P3 | SCMRW10U | 2.5P | 95 | 26 | - | 48 | 12.5 | 10 | 13 | 3 | 2 | △ |
| 3/4W10 | P3 | SCMRW12V | 2.5P | 105 | 33 | - | 50 | 15 | 12 | 15 | 4 | 4 | △ |
| 7/8W9 | P3 | SCMRW14W | 2.5P | 115 | 33 | - | 55 | 17 | 13 | 16 | 4 | 4 | △ |
| 1 W8 | P3 | SCMRW16X | 2.5P | 125 | 39 | - | 58 | 19 | 15 | 18 | 4 | 4 | △ |