Convex Face DHD Shank DTH Mdhd275-356 Drill Bit for Mining
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.：MDHD275-356
- Trademark：MING
- Origin：China
- HS Code：8207199000
- Production Capacity：20000PCS,Year
Description
Big size bits using in Waterwells, Oil, Gas and Construction Drilling.MDHD275-311 311 15*Φ18 36*Φ16 3 205.0 MDHD275-334 334 18*Φ19 44*Φ18 3 216.0 MDHD275-356 356 18*Φ19 48*Φ18 3 225.0 MDHD275-368 368 20*Φ19 50*Φ18 4 230.0 MDHD275-381 381 20*Φ19 54*Φ19 4 236.0 MDHD330-381 381 20*Φ19 54*Φ18 4 297.0 MDHD330-406 406 20*Φ19 58*Φ18 4 311.0 MDHD330-431 431 20*Φ19 64*Φ18 4 324.0 MDHD330-445 445 24*Φ20 72*Φ18 4 334.0 MDHD330-470 470 24*Φ20 80*Φ18 4 347.0 MDHD475-495 495 24*Φ20 88*Φ18 4 710.0 MDHD475-525 525 24*Φ20 100*Φ18 4 760.0 MDHD475-580 580 24*Φ20 116*Φ18 4 855.0 MDHD475-660 660 28*Φ20 140*Φ19 4 950.0 MDHD475-680 680 28*Φ20 144*Φ19 4 968.0 MDHD525-711 711 28*Φ20 154*Φ19 4 1455.0 MDHD525-762 762 32*Φ20 172*Φ19 4 1539.0 MDHD525-780 780 32*Φ20 180*Φ19 4 1564.0 MDHD525-825 825 36*Φ20 216*Φ19 4 1625.0 MDHD525-998 998 40*Φ20 348*Φ19 4 1980.0
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.
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:
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. More Products
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.
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.
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.
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. More Products