drill
Detailed Product Description
Taper-shank lengthened fluted twist drill GB/T1438.3-1996
NO. | D | L | I | Morse |
1 | 13 | 260 | 180 | 1 |
2 | 14 | 265 | 185 | 1 |
3 | 15 | 290 | 190 | 2 |
4 | 16 | 295 | 195 | 2 |
5 | 17 | 300 | 200 | 2 |
6 | 18 | 305 | 205 | 2 |
7 | 19 | 310 | 210 | 2 |
8 | 20 | 320 | 220 | 2 |
9 | 21 | 330 | 230 | 22 |
10 | 22 | 335 | 235 | 2 |
11 | 23 | 340 | 240 | 2 |
12 | 24 | 365 | 245 | 3 |
13 | 25 | 365 | 245 | 3 |
14 | 26 | 375 | 255 | 3 |
15 | 27 | 385 | 265 | 3 |
16 | 28 | 385 | 265 | 3 |
17 | 29 | 395 | 275 | 3 |
18 | 30 | 395 | 275 | 3 |
