Product Introduction
Thread drill rods for open-air rock drilling operations
The thread connection drill tools for open-air rock drilling operations include thread column-tooth drill bits, reaming drill bits, thread drill rods, guide drill rods, connection sleeves and shanks.

| Thread column tooth bit | Thread drill bit | T38、T45、T51、EL60、T60 |
| Bit diameter | 54mm、57mm、64mm、70mm、76mm、89mm、95mm、102mm、115mm、127mm、140mm、150mm、152mm、165mm、178mm | |
| Connection sleeve | Thread specification | T38、T45、T51、EL60、T60 |
| Product diameter | 56mm、63mm、66mm、72mm、76mm、85mm | |
| 产Product length | 190mm、210mm、225mm、235mm、275mm、300mm、330mm、335mm、340mm、375mm | |
| Guide drill rod | Thread specification | T45、T51、EL60、T60 |
| Drill rod specification | D65、D76、D87 | |
| Drill rod length | 3050mm、3660mm、4265mm |
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