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詳細(xì)介紹
Thread Standard/Norm：DIN 352
Type：VA
Execution：Set
Application: For high tensile materials up to 1300 N/mm2 such as tough bronze, stainless steels and tool steels.
Remarks: Set of 3 pieces: B1141 = 1st roughing with pilot from M3 and above, B1142 = 2nd roughing, B1143 = 3rd finishing
| d1 | Pitch | l1 mm | l2 mm | d2 mm | ? | Tapping | No. of | Ordering |
| mm | mm | max. | h9 | mm | drill size | flutes | code | |
| h12 | B1149... | |||||||
| M 2 | 0.4 | 36 | 8 | 2.8 | 2.1 | 1.6 | 3 | ...-M2 |
| M 2.5 | 0.45 | 40 | 9 | 2.8 | 2.1 | 2.05 | 3 | ...-M2.5 |
| M 3 | 0.5 | 40 | 11 | 3.5 | 2.7 | 2.5 | 3 | ...-M3 |
| M 4 | 0.7 | 45 | 13 | 4.5 | 3.4 | 3.3 | 3 | ...-M4 |
| M 5 | 0.8 | 50 | 16 | 6 | 4.9 | 4.2 | 3 | ...-M5 |
| M 6 | 1 | 56 | 19 | 6 | 4.9 | 5 | 3 | ...-M6 |
| M 8 | 1.25 | 63 | 22 | 6 | 4.9 | 6.8 | 3 | ...-M8 |
| M 10 | 1.5 | 70 | 24 | 7 | 5.5 | 8.5 | 4 | ...-M10 |
| M 12 | 1.75 | 75 | 28 | 9 | 7 | 10.2 | 4 | ...-M12 |
| M 14 | 2 | 80 | 30 | 11 | 9 | 12 | 4 | ...-M14 |
| M 16 | 2 | 80 | 32 | 12 | 9 | 14 | 4 | ...-M16 |
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