Shanghai Kangjiebao New Chemical Materials Co., Ltd. / 2022-07-04
=== Base Info ===
=== Description === How to order: Shank Type + Head Diameter + Face Design + Button Shape
12 inch high air pressure DTH bitsMDQL12-305 305 12*Φ18 36*Φ16 4 156.0 MDQL12-311 311 12*Φ18 36*Φ16 4 168.0 MDQL12-330 330 16*Φ18 42*Φ16 4 180.0 MDQL12-356 356 16*Φ19 48*Φ16 4 191.0 Carbide Button: Spherical, Ballistic, Semi-ballistic.MDQL12-381 381 16*Φ19 48*Φ18 4 200.0
Bit face: Convex, Flat, Drop Center.
Color: Green, Blue, Grey, as your demand.
How to choose the suitable head face of the DTH drill bit?
1. Concave: Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.
2. Convex: Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.
3. 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.
Our Advantages as below:
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 3 or 5 days if we have stock on your request size.
3. Shipping way
Sample order: We suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: We suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for each order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
Product Application:
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.
Transport:
Package and Delivery:
Packed by Carton or Wooden cases.
Delivery:
More products:
Our Service
1.Pre-sale service:
If demand, assist clients to get rich and generous returns on their investments.Select DTH tools model.Design and manufacture down the hole products according to client's requirement.
2.Services during the sale:
Assist clients to draft solving plans.
Pre-check and accept Rock drill products ahead of delivery .
3.After-sale services:
Our sales team will response for your question within 24 hours (Holidays Excluded)
Technical Support will be available in any time.
Free replacement can be provided once the failure confirmed caused by our product quality.
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