High pressure ODex drilling system concentric drill bit 219-DHD360

It has below advantages of concentric drilling
1.Drilling Straight and fast
2.The torque for concentric drilling is much less than for eccentric drilling.
3.Easily unlocking-relocking
4.Drilling in any angle.
5.Effective cuttings discharge.
6.Easy-to-operate and system security.
7.Economical and cost-effective.
It is suitable for drilling water wells, geothermal wells, short mircopiples, middle mini-type grouting hole of building.
-----------------------------------FAQ------------------------------------
Q: What kind of payment terms do you offer and what is your best payment terms?
A: We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc.
Q: Do you offer warranty on your products?
A: Yes, for different products we offer different warranty that cover all manufacturing defects in materials and workmanship. The longest period of warranty is 2 years after shipping date.
Q: Do you offer OEM service?
A: Yes, we can offer OEM service if you have regular requirement.
Q:Can I have a sample for testing?
A:Samples are still to be paid but discounted price can be provided.
Q: How long is your delivery time?
A: Generally speaking ,5-10 days if have stock . Regular order delivery in 20~30 days if without stock.Otherwise it depends on your order Quantity.