Diamond PDC Coring Bit
1. PDC drill bits are mainly used for Coal mining gas drainage hole, drainage hole, grouting hole, geological and hydrology drilling.
2. High wear resistance, impact resistance, high drilling efficiency PDC drill bits
3. ISO9001: 2000 certificated
4. Fast delivery, Best price
PDC Drill Bits are applied to rock formation f below 12, like granite, limestone, sandstone, mudstone, etc., mainly used for gas drainage hole, drainage hole, grouting hole, geological and hydrology drilling.
Usually drag bits are three wings or four wings.
Our drill bits adopt 2 cutters, flat and dome-shaped cutters,
The flat cutters have high abrasion resistance and fast drilling efficiency, suitable for drilling ordinary formation.
The dome-shaped cutters have high impact resistance and stable drilling performance, suitable for formations with hard interned layers.
LD PDC drill bits including:
PDC drill bits
PDC drag bits
PDC core bits
PDC anchor bits
All sizes can do as customer special request.
Bit type | Main bit size(mm) | Rock coefficient |
| PDC core drill bit | Single pipe | 75/54.5 94/74 113/89 113/109 153/129 | 1-18 |
| Two-pipes | 75/54.5 94/68 |
| PDC center drill bit | Concave 3 wing bit | 60 75 94 113 133 | 1-18 |
Arc pillar
| 60 75 94 113 133 | 4-18 |
| Many wing scraper | 60 75 94 113 133 133 153 173 190 215 | 1-6 |
| PDC Indexable drill bit | 153/94 153/113 190/153 190/113 | 1-18 |
Hebei HengJi Drill Bit Manufacture Co., Ltd., as a leading manufacturer of tricone bit and PDC bits, our products are made strictly complying with API specifications and ISO9001.
Hebei HengJi Drill Bit Manufacture Co. Ltd was established in 1997. We have kept our clients ahead of schedule and under budget by providing the highest quality tools at the best possible prices.
We ship to more than 30 different countries and serve industries such as Oil & Gas, water well, Construction, Mining, Horizontal Directional Drilling (HDD), Geothermal and Environmental. Our experienced staff is here to assist you with
Everything from choosing the right bit to shipping around the globe.
Our goal is to provide our customers with the best quality tools, accessories and service in the industry. We are supported by many years of experience, trained professionals and a full machine shop. Reduce the cost, Speed the drilling, Guarantee the safety is always our aim.
