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Chrddrill.com: Advantages You Will Get Today
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JUL.14,2022DTH DRILLING – WHAT IS IT?
JUL.25,2022
| Specifications of QL series dth hammer |
| Hammer inch | Diameter of drill bit | Shank | |
| Metric | Inch | ||
| 4" | 105mm-152mm | 4 1/8"-6" | QL40 |
| 5" | 133mm-165mm | 5 1/4"-6 1/2" | QL50 |
| 6" | 152mm-254mm | 4 1/8"-10" | QL60 |
| 8" | 203mm-330mm | 8"-13" | QL80 |
| Package |
| Picture of QL DTH Bits |
| DTH drill bits of DHD series and CIR series |
| OUR SERVICE |
| ☑ We will provide more precisely and efficiently manufacture and serve according to clients' drawings. |
| ☑ We have professional QC team to ensure your product more better. |
| ☑ Check the raw material before starting production. |
| ☑ Have the random inspection during the processing. |
| ☑ Make the 100% inspection before the shipments. |
| WHY ARE YOU CHOOSE US |
| ☑ We have been engaged in tapered cross bit for more than 20 years. |
| ☑ apered cross with conical pipe drilling perfect; |
| ☑ Reliable work, high cost performance; |
| ☑ Accurate the dimension of taper degree perfectly matches the rods; |
| ☑ High grade tungsten carbide inserts; |
| ☑ The drill bit is made of high quality steel and uses the most advanced CNC machinery and heat treatment process. |
| about uS |
| FAQ |
To work with us is your best choice !
