The testing data for some of our products are provided below. If you require testing data for other products, please contact us.
| GRADE |
Normal Quality |
Good Quality |
Higher Quality |
Top Quality |
| Minute /Hole |
4.20 |
4.30 |
3.50 |
4.20 |
| Steel bar time |
40 seconds |
48 seconds |
38 seconds |
48 seconds |
| Steel bar diameter |
18mm |
18mm |
18mm |
18mm |
| Steel bar Quantity |
4 |
4 |
4 |
4 |
| concrete thickness |
250mm |
250mm |
250mm |
250mm |
| drilling holes |
5 |
5 |
5 |
5 |
| total segment height |
10mm |
11mm |
11mm |
11mm |
| left of segment height |
7.5mm |
9mm |
9.5mm |
10mm |
Applications: These premium diamond drill bits are for dry use, coring out walls. They will also work on concrete floors and platforms where depth permits. They are designed to cope with nearly all walling brick and stone up to the hardness of a semi-engineering brick. They will also cope with re-bar in concrete. Sizes are selected to meet the needs of modern PVC pipework, electrical conduit and extractor ducts as well as the more traditional copper pipes.
Payment Terms And Shipment
1) Accepting T/T, L/C, and other payment request can be discussed.
2) 100% T/T advanced for order amount less than USD10,000.
3) 30% deposit, remain balance should be paid 3 days before shipment
for order amount more than USD 10,000.
4) Normally deliver within 7 days after payment, large quantity order
should be discussed.
5) Less than 45KG, we recommend sent by express - EMS, DHL, TNT, FedEx,
Ups. More than 45KG, we recommend sent by air or sea.
Our Services
1) No Any MOQ Limited
2) Accept OEM.
3) Good After Sale Services:
Our experienced expert will give technical recommendation according our clients' product line, Modifying the machine parameters, such as sequence, speed, etc. to acheive the best performance. We also can send after sale expert to clients' product line and optimize the product line.
FAQ
1.Are you a manufacturer or trading company?
We are a 10 years manufacturer.
2.How to prove your quality?
We use E6 diamond,Dipea steel wire, passed ISO9001 and SGS,strict quality control and skilled workers.
3.What should I do if the products is not suitable for the market?
Giving us the detailed report first,then we analyze the reason,try to find the solutions.
If it is our problems,we will give you new products.
4.Do you provide free samples?
Small sample is welcomed.
5.Can you provide OEM/OEM services?
Yes, if you need.
Audited Supplier 
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