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详细介绍
cutting tool material：HSS-Co
Thread Standard/Norm：DIN 5156
Type：VA
Execution：fast helix
Application: For high tensile materials up to 1300 N/mm2 such as tough bronze, stainless steels and tool steels.
| d1 | Nominal dia. | No. of | l1 mm | l2 mm | d2 mm | ? | Tapping | No. of | Ordering |
| mm | threads | h9 | mm | drill size | flutes | code | |||
| per inch | h12 | B6851... | |||||||
| G 1/8 | 9.728 | 28 | 90 | 12 | 7 | 5.5 | 8.8 | 3 | ...-G1/8 |
| G 1/4 | 13.157 | 19 | 100 | 15 | 11 | 9 | 11.8 | 4 | ...-G1/4 |
| G 3/8 | 16.662 | 19 | 100 | 15 | 12 | 9 | 15.25 | 4 | ...-G3/8 |
| G 1/2 | 20.955 | 14 | 125 | 17 | 16 | 12 | 19 | 4 | ...-G1/2 |
| G 3/4 | 26.441 | 14 | 140 | 20 | 20 | 16 | 24.5 | 5 | ...-G3/4 |
| G 1 | 33.249 | 11 | 160 | 25 | 25 | 20 | 30.75 | 5 | ...-G1 |
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