DHD350r DTH Hole Opener Bits/Reamer Bits From Professional Manufacturer

Shanghai Kangjiebao New Chemical Materials Co., Ltd. / 2022-07-04

Certification：ISO 9001:2000, SGS
Standard：GB
Surface Treatment：Spray-Paint
Manufacturing Process：Forging
Material：Carbon Steel
Transport Package：Wooden Case

=== Base Info ===

Model NO.：MDO75D5378
Trademark：MING
Origin：China
HS Code：8207199000
Production Capacity：20000PCS,Year

=== Description ===
DHD112133.6MDO254D1225437518×1812×18 15×18136.2MDO311D12311444.518×1915×19 21×19328.5
Rock drill bits advantages :
(1) Wear pads, back reamer buttons, and or buttons on the pilot can be added for an additional fee.
(2) The ability to use less powerful equipment than that required to drill the large diameter hole.
(3) Straighter holes result from the smaller pilot hole.

DTH bits for hole opener :
1.Manufacture as your requirement
2.Bit diameter, face shape
3.Carbide button shape
4.Number of air hole.

7. How to choose the suitable head face of the DTH drill bit?

a. Concave:

Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.

b. Convex:

Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.

c. Flat:

Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.

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.

6. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.

7. Shipping way:
A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by air
Bulk order: by air or by sea we suggest.

8. Competitive price:
A:KINGDRILLING factory can supply you the lowest price due to direct sale to customers without distributor!

Product Application:
DHD350r DTH Hole Opener Bits/Reamer Bits From Professional Manufacturer

About our Company
Kingdrilling Machinery Co. , Ltd is established in 2005 years. Located in Wuhan East Lake High-tech Development Zone, is one of the most important manufacturers specialized in researching and producing Casing drilling system, DTH hammer, DTH bit, thread DTH bits, taper DTH bits, coupling sleeve, Anchor, Shank adapter, coal picks and so on.

Relying on the university resources and talent advantages in Optical Valley region, combining with multiple laboratories in universities, we focused on developing the newest products system.
DHD350r DTH Hole Opener Bits/Reamer Bits From Professional Manufacturer