Large Diameter Mdhd275-344 DTH Bit for Pile Foundation Rock Drilling
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.：MDHD275-344
- Trademark：MING
- Origin：China
- HS Code：8207199000
- Production Capacity：20000PCS,Year
Description
8 inch high air pressure DTH bits
MDDHD380-203
203
10*Φ18
10*Φ16
2
37.0
MDDHD380-216
216
10*Φ18
12*Φ16
2
48.0
MDDHD380-241
241
12*Φ18
18*Φ16
2
63.0
MDDHD380-254
254
12*Φ18
21*Φ16
3
70.0
MDDHD380-305
305
12*Φ18
29*Φ16
4
94.0
Order Guide:
Shank Type + Head Diameter + Face Design + Button Shape
We can design and manufacture the different diameter,holes number,carbide button shape and face shape according to the customers' requirement.
Order Guide: Shank + Head Diameter + Face Design + Button Shape
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.
Feature:
1.High quality steels materials. Steel is from TIMKEN and Tungsten carbide are YK05, or T6 from Element Six in Germany
2.Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer.
3.Advanced heat-treatment equipment: multipurpose furnace heat treatment.
4.Completed moulding (tooling ) departments with many molds available.
5.Professional R&D team,completed quality system.
Strict Quality-Check Systems.
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:
- 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.
