Shanghai Kangjiebao New Chemical Materials Co., Ltd. / 2022-07-04
=== Base Info ===
=== Description ===
12 inch high air pressure DTH bits
MDQL12-305
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
MDQL12-381
381
16*Φ19
48*Φ18
4
200.0
How to order:
Shank Type + Head Diameter + Face Design + Button Shape
FAQ:
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
3. 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.
4. Competitive price:
A: KINGDRILLING factory can supply you the lowest price due to direct sale to customers without distributor.
5. What is the Application?
Mining, Quarrying, Tunneling, Construction, Geological Exploration, Water-well Drilling, Oilfield & Gas Industries.
6. Product feature
Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer, and harness process is managed by multipurpose furnace heat treatment.
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.
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