| Common Model of the kelly bar Unit :mm | |||||
| O.D mm | No. of sections | L(m) | Types | Nominal drilling Depth(m) | Drilling rigs matched with |
| 630 | 3,4,5,6 | 10~15 | Interlock,Friction | 36~143 | Sany,XCMG,Yutong,CRRC |
| 575 | 4,5,6 | 10~22 | Interlock,Friction | 36~122 | XCMG,CRRC |
| 559 | 3,4,5,6 | 10~20 | Interlock,Friction | 36~110 | Bauer,Soilmec,Casagrande |
| 540 | 3,4,5,6 | 10~20 | Interlock,Friction | 36~110 | Jintai |
| 530 | 3,4,5,6 | 10~20 | Interlock,Friction | 36~110 | XCMG,CRRC,Zoomlion |
| 508 | 3,4,5,6 | 10~17 | Interlock,Friction | 36~110 | Casagrande.XCMG,CRRC,Yutong,Sany |
| 470 | 3,4,5,6 | 10~17 | Interlock,Friction | 36~94 | Bauer,Casagrande,XCMG,Yutong,CRRC |
| 440 | 3,4,5,6 | 10~17 | Interlock,Friction | 36~94 | Mait HR200,R180.Sunward,Yutong |
| 427(419) | 4,5,6 | 10~15 | Interlock,Friction | 36~85 | CMV,IMT,Casagrande,XCMG |
| 406(394) | 4,5 | 10~17 | Interlock,Friction | 36~79 | Bauer,Soilmec,CMV,IMT,XCMG |
| 377(368) | 4,5 | 10~14 | Interlock,Friction | 36~65 | Bauer,Mait,XCMG,CRRC |
| 355 | 4,5 | 10~13 | Interlock,Friction | 36~60 | CMV,Soilmec |
| 340 | 4 | 10~13 | Interlock,Friction | 36~48 | Bauer |
| 299 | 4 | 10~13 | Interlock,Friction | 36~48 | Bauer,Soilmec,Sunward |
Size Unit: mm
| Cutting Dia. | Shell Dia. | Shell Hit. | Stiffening Ring Hit. | Shell Thk. | Stiffening Ring Thk. | Teeth No. |
800 | 720 | 1800 | 250 | 20 | 45 | 11 |
| 1000 | 920 | 1800 | 250 | 20 | 45 | 15 |
| 1200 | 1120 | 1800 | 250 | 20 | 45 | 19 |
| 1400 | 1320 | 1500 | 250 | 20 | 45 | 23 |
| 1500 | 1420 | 1500 | 250 | 20 | 45 | 23 |
| 1600 | 1520 | 1500 | 250 | 20 | 45 | 27 |
| 1800 | 1720 | 1500 | 250 | 20 | 45 | 27 |
| 2000 | 1920 | 1500 | 250 | 20 | 45 | 31 |
| 2200 | 2120 | 1500 | 250 | 20 | 45 | 31 |
| 2400 | 2320 | 1500 | 250 | 20 | 45 | 35 |
| 2600 | 2520 | 1500 | 250 | 20 | 45 | 35 |
| 2800 | 2720 | 1500 | 250 | 20 | 45 | 39 |
One of the leading manufacturers for drilling tools in China.The tools are famous for its fast drilling efficiency,durable and solid structure.
Real manufacturer , quick & straight cooperation save time and money.
Rich experienced R&D team, one-stop private foundation piling solution provided.
Factory closed to Yantian &Shekou Port in Shenzhen, convenient on exporting the heavy duty eqquipment.