300mm Quarry Drilling DTH Hammer Hole Opener Drill Bit

Introduction
The reaming diameter of DTH hole drill bits ranges from 130mm to 660mm (5 1/8" to 26"). The tool holder design is suitable for most popular DTH hammers and is manufactured in a variety of configuration styles to meet each special On-site drilling requirements. Only the best steel is used in the production of the hole opener, which will allow you to drill holes all the time, and with them, you will always know that it is produced according to the quality you expect. In addition, you can design new hole drill bits with you to maximize performance under ground conditions you encounter in your work when necessary.

Product parameters

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Pangolin (China) Construction Machinery Co., Ltd. is a drill manufacturer with complete testing equipment and strong technical force. Our products have a wide range, high quality, reasonable price, and timely delivery, which are widely used in oilfields, drilling, non-excavation fields and other industries. Our products are widely recognized and trusted by users, and can meet the ever-changing economic and social needs. To
We welcome new and old customers from all walks of life to contact us for future business relations and mutual success!

FAQ:

1. How to order the products?

A: Please send the inquiry with detail item description or with Model number.

2. How about the common packing?

A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.

3. Can I expect a quality products?

A: Yes. mature production technology ensuring the quality satisfy international request.

4. How to check the product are the exact one you want?

A: If possible, please attach one reference picture to avoid any misunderstanding or any links from our website for a better understanding.

5. How to control quality?

A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.