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| 螺纹尺寸 Thread size | 精度 Precision | 切削锥长(LC) Cutting cone length (LC) | 全长(L) Full length (L) | 牙长(f1) Tooth length (f1) | 避空长(L1) Avoid long(L1) | 柄径(d) Shank diameter (d) | 避空直径 dn | 槽数 Flutes |
| M1*0.25 | P1 | 1.5P | 37 | 4.5 | - | 3 | - | 2 |
| M1.2*0.25 | P1 | 1.5P | 37 | 5.5 | - | 3 | - | 2 |
| M1.4*0.3 | P1 | 1.5P | 37 | 6,5 | - | 3 | - | 2 |
| M1.6*0.35 | P2 | 1.5P | 37 | 8 | - | 3 | - | 2 |
| M2*0.4 | P2 | 2.5P | 45 | 11 | - | 3 | - | 3 |
| M2.5*0.45 | P2 | 2.5P | 45 | 12 | - | 3 | - | 3 |
| M3*0.5 | P2 | 2.5P | 50 | 12 | 7 | 4 | 2.3 | 3 |
| M3.5*0.6 | P2 | 2.5P | 50 | 13 | 7 | 4 | 2.6 | 3 |
| M4*0.7 | P2 | 2.5P | 57 | 14 | 7 | 5 | 3 | 3 |
| M5*0.8 | P3 | 2.5P | 66 | 16 | 9 | 5.5 | 4 | 3 |
| M6*1 | P3 | 2.5P | 69 | 19.5 | 9.5 | 6 | 4.6 | 3 |
| M7*1 | P1 | 1.5P | 78 | 13 | 10 | 6.2 | 5.6 | 2 |
| NO.0-80UNF | P1 | 1.5P | 37 | 10 | - | 3 | - | 2 |
| NO.1-64UNC | P1 | 2.5P | 37 | 11 | - | 3 | - | 3 |
| NO.2-56UNC | P1 | 2.5P | 45 | 12 | - | 3 | - | 3 |
| NO.3-48UNC | P2 | 2.5P | 45 | 14 | - | 3 | - | 3 |
| NO.4-40UNC | P2 | 2.5P | 45 | 10 | 6 | 3 | 2 | 3 |
| NO.5-40UNC | P2 | 2.5P | 50 | 12 | 7 | 4 | 2.3 | 3 |
| NO.6-32UNC | P2 | 2.5P | 50 | 13 | 7 | 4 | 2.4 | 3 |
| NO.8-32UNC | P2 | 2.5P | 57 | 13.5 | 8 | 5 | 3 | 3 |
| NO.10-24UNC | P2 | 2.5P | 66 | 16.5 | 9.5 | 5.5 | 3.4 | 3 |
| NO.12-24UNC | P2 | 2.5P | 66 | 16.5 | 9.5 | 5.5 | 4 | 3 |
| 1/4-20UNC | P3 | 2.5P | 69 | 19.5 | 9.5 | 6 | 4.6 | 3 |
