7 Inch Mdsd7-178 SD Shank Quarrying DTH Hammer Bit
WUHAN KINGDRILLING DIAMOND CO., LTD.- 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.：MDSD7-178
- Trademark：MING
- Origin：China
- HS Code：8207199000
- Production Capacity：20000PCS,Year
Description
12 inch high air pressure DTH bits
MDSD12-305
305
12*Φ18
36*Φ16
4
156.0
MDSD12-311
311
12*Φ18
36*Φ16
4
168.0
MDSD12-330
330
16*Φ18
42*Φ16
4
180.0
MDSD12-356
356
16*Φ19
48*Φ16
4
191.0
MDSD12-381
381
16*Φ19
48*Φ18
4
200.0
How to order:
Shank Type + Head Diameter + Face Design + Button Shape
FAQ:
1. 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.
2. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
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.
3.What is the general delivery time?
15 working days for DTH bits.
20-25 working days for DTH hammer
3-5 working days for ex stock items.
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. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union.
Our Advantages as below:
- High quality steels materials. Steel is from TIMKEN and Tungsten carbide are YK05, or T6 from Element Six in Germany
- Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer.
- Advanced heat-treatment equipment: multipurpose furnace heat treatment.
- Completed moulding (tooling ) departments with many molds available.
- Professional R&D team,completed quality system.
- Strict Quality-Check Systems.
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.
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:
- Goods in stock can be delivered within 5 days.
- DTH Bits production time is about 15 days.
- DTH Hammer product time is about 30 days.
