Standard STS drill tube, supplied in various length as request
Thread: single or two start or four start, each section length: from 1 m to 6m. Chrome coated, HRC30,
Roughness of tube : Ra0.4-0.8
| Drilled hole diameter mm | Tube OD mm | Tube code | Drilled hole diameter mm | Tube OD mm | Tube code |
| 24.1-26.4 | 22 | 803 | 280.0-291.9 | 274 | 834 |
| 26.4-28.7 | 24 | 804 | 292.0-303.9 | 286 | 835 |
| 28.7-31.0 | 26 | 805 | 304.0-315.9 | 298 | 836 |
| 31.0-33.3 | 28 | 806 | 316.0-327.9 | 310 | 837 |
| 33.3-36.2 | 30 | 807 | 328.0-339.99 | 322 | 838 |
| 36.2-39.6 | 33 | 808 | 340.0-351.99 | 334 | 839 |
| 39.6-43.0 | 36 | 809 | 352.0-363.99 | 346 | 840 |
| 43.0-47.0 | 39 | 810 | 364.0-375.99 | 358 | 841 |
| 47.0-51.7 | 43 | 811 | 376.0-387.99 | 370 | 842 |
| 51.7-56.2 | 47 | 812 | 388.0-399.99 | 382 | 843 |
| 56.2-65.0 | 51 | 813 | 400.0-411.99 | 394 | 844 |
| 65.0-67.0 | 56 | 814 | 412.0-423.99 | 406 | 845 |
| 67.0-73.0 | 62 | 815 | 424.0-435.99 | 418 | 846 |
| 73.0-80.0 | 68 | 816 | 436.0-447.99 | 430 | 847 |
| 80.0-87.0 | 75 | 817 | 448.0-459.99 | 442 | 848 |
| 87.0-100.0 | 82 | 818 | 460.0-471.99 | 454 | 849 |
| 100.0-112.0 | 94 | 819 | 472.0-483.99 | 466 | 850 |
| 112.0-124.0 | 106 | 820 | 484.0-495.99 | 478 | 851 |
| 124.0-136.0 | 118 | 821 | 496.0-507.99 | 490 | 852 |
| 136.0-148.0 | 130 | 822 | 508.0-519.99 | 502 | 853 |
| 148.0-160.0 | 142 | 823 | 520.0-531.99 | 514 | 854 |
| 160.0-171.9 | 154 | 824 | 532.0-543.99 | 526 | 855 |
| 172.0-183.9 | 166 | 825 | 544.0-555.99 | 538 | 856 |
| 184.0-195.9 | 178 | 826 | 556.0-567.99 | 550 | 857 |
| 196.0-207.9 | 190 | 827 | 568.0-579.99 | 562 | 858 |
| 208.0-219.9 | 202 | 828 | 580.0-591.99 | 574 | 859 |
| 220.0-231.9 | 214 | 829 | 592.0-604.99 | 586 | 860 |
| 232.0-243.9 | 226 | 830 | 604.0-615.99 | 598 | 861 |
| 244.0-255.9 | 238 | 831 | 616.0-627.99 | 610 | 862 |
| 256.0-267.9 | 250 | 832 | 628.0-639.99 | 622 | 863 |
| 268.0-279.9 | 262 | 833 | 640.0-651.99 | 634 | 864 |
