| Drill Bits Model | Drill Bits O.D | Pilot Drill Bits | Pipeline O.D Range |
| mm | inch | mm | | |
| TCC40 | 1.5 | φ40 | Pilot Drill Bits made of High Speed Steel | φ57*(3-5)-φ720*(7-10) |
| TCC50 | 2 | φ50 | φ63*(3-5)-φ720*(7-10) |
| TCC55 | | φ55 | φ68*(3-5)-φ720*(7-10) |
| TCC60 | | φ60 | φ89*(3-8)-φ720*(7-12) |
| TCC80 | 3 | φ65-70 |
| TCC100 | 4 | φ80-90 | Pilot Drill Bits made of High Speed Steel | φ108*(3-8)-φ720*(7-14) |
| TCC120 | 5 | φ120 | φ141*(3-9)-φ720*(7-14) |
| TCC150 | 6 | φ130-140 | φ159*(4-12)-φ720*(7-14) |
| TCC170 | 7 | φ150-170 | φ219*(6-12)-φ720*(7-14) |
| TCC200 | 8 | φ170-190 | φ28 | φ219*(6-12)-φ720*(7-14) |
| TCC250 | 10 | φ220-240 | φ35 | φ273*(6-12)-φ720*(7-16) |
| TCC300 | 12 | φ270-290 | φ325*(7-12)-φ720*(7-16) |
| TCC350 | 14 | φ320-330 | φ40 | φ377*(7-12)-φ720*(7-16) |
| TCC400 | 16 | φ350-370 | φ406*(7-12)-φ720*(7-16) |
| TCC500 | 20 | φ450-470 | φ50 | φ508*(7-12)-φ720*(7-16) |
| TCC600 | 24 | φ550-560 | φ610*(7-12)-φ1220*(10-16) |
| TCC700 | 28 | φ650-670 | φ60 | φ711*(7-14)-φ1220*(10-16) |
| TCC800 | 32 | φ730-750 | φ813*(7-14)-φ1220*(10-16) |
| TCC900 | 36 | φ830-850 | φ914*(8-16)-φ1620*(10-16) |
| TCC1000 | 40 | φ930-950 | φ76 | φ1016*(8-16)-φ1620*(10-16) |
| TCC1200 | 48 | φ1050-1080 | φ1220*(10-16)-φ1820*(10-16) |
| TCC1400 | 56 | φ1150-1160 | φ1420*(10-16)-φ2220*(10-16) |
Complaint
