• Model NO.：MD-MC90
• Trademark：MING
• Origin：China
• HS Code：8207199000
• Production Capacity：20000PCS,Year

Basic Info.

Model NO. MD-MC90 Trademark MING Origin China HS Code 8207199000 Production Capacity 20000PCS/Year

Product Description

KINGDRILLING hammer bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a spline drive for rotating the bit in the ground. Drill bits are available in different sizes and different styles so they can drill a wide range of hole sizes. Our variety of Down the Hole (DTH) bits is manufactured using high quality materials to provide you with a fine balance between penetration capability and bit life.

Shank types: CIR90, CIR100, CIR110, etc.
DTH hammer bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-305mm).
 

Model	Bit Dia. (mm)	Connector Specification	NO.Buttons (PCS)	NO.Air Holes(PCS)	Weight (KG)
MD-MC50	50	29×4	5	1	1.0
MD-MC65	65	37×4	6	1	1.4
MD-MC76	76	44×4	8	2	2.2
MD-MC80	80	50×6	8	2	3.2
MD-MC90	90	54×6	10-11	2-3	3.9
MD-MC100	100	54×6	10-11	2-3	4.1
MD-MC110	110	54×6/60×4/65×6	13	2-3	6.0
MD-MC120	120	54×6/60×4/65×6	12-13	2-3	6.2
MD-MC130	130	54×6/60×4/65×6	15	3	7.2
MD-MC140	140	60×4/60×5	15	3	7.9
MD-MC145	145	60×4/60×5	16	3	8.2
MD-MC150	150	60×4/65×6/90×6	16/20	3	8.6-19.8
MD-MC160	160	65×6/90×6	20/21	3	19.3
MD-MC170	170	65×6/90×6	20	3	19.8
MD-MC175	175	65×6/90×6	20/21	3	20.0
MD-MC180	180	65×6/90×6	20	3	21.6
MD-MC200	200	90×6	20	3	24.0

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.

1.  Convex: 

Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.

1.  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:

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.
6. Strict Quality-Check Systems.

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


FAQ:
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
 
2. 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.
 
3. Can I expect a quality products?
A: Yes. mature production technology ensuring the quality satisfy international request.
 
4. How to check the product are the exact one you want?
A: If possible, please attach one reference picture to avoid any misunderstanding or any links from our website for a better understanding.
 
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.
 
6. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.
 
7. Shipping way:
A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by air
Bulk order: by air or by sea we suggest.
 
8. Competitive price:
A:KINGDRILLING factory can supply you the lowest price due to direct sale to customers without distributor!

Product Application:


Transport:


Package and Delivery:
Packed by Carton or Wooden cases.

Delivery:

1. Goods in stock can be delivered within 5 days.
2. DTH Bits production time is about 15 days.
3. DTH Hammer product time is about 30 days.

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