diamond core drill bits for hard rock HOT sale
Description
PDC is made of diamond micro-powder and hard alloy substrate under high temperature and
high pressure. It possess of high wear resistance like diamond, at the same time the impact
resistance like hard alloy and that’s made it the best material as a drill bit cutter. Reinforced PDC
has higher dense diamond powder, claw hard alloy substrate made the two layers solidas whole
one. So, the reinforced PDC of supper wear resistance, longer service life and high efficiency.
1.Suitable for medium to medium hard formation of high Crushing Resistance (hard shale,sands,etc.)
2.Bit bearing is non-sealed roller bearing.
3.Hardfacing is applied on the shirttail,and carbide inserts for gage protection are pressed into the head OD.
4.Cone gage surface is reinforce with carbide compacts.
Specification
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 |
1. firstly contact us, let me know you have the need about the bit.
2. Decide the size and IADC code in accordance with client's requirement and our recommendation
3. We will give the best offer.
4. Client accept the offer and we send proforma invoice.
5. Client transfers 30% deposit and production begins.
6. After production, we will send ready products photo.
7. After client's confirmation, we will arrange shipment, and send copy shipping documents like B/L,
commercial invoice and packing list.
8.Client transfer balance payment and we will send original documents by express or Telex Release.
Our aim is to supply the best quality products and the fastest and best service to meet every client's
satisfaction.Contact me when there is any inquiry or question. Let's work together to bring your dream
to reality.
1.We will keep track of each customer to get the feedback of product’s quality and service.
And we will make an amendment according to your feedback.
2.If the product size is wrong, we will send the right one freely.
3.We guarantee the high quality. Please right now contact us if you find any damage.We will solve the
problems ASAP.
4.We can provide product’s repair services.Sincerely hope to cooperate with you.