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

Basic Info.

Model NO. MD-MC90 HS Code 8207199000 Production Capacity 20000PCS/Year

Product Description

Down The Hole CIR90 Low air pressure DTH hammer rock drilling bits

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:CIR76, CIR90, CIR110, CIR130, CIR150,CIR170,CIR200

DTH hammer bits hole diameter: 2", 3'', 4'', 5'', 6'', 8', 10", 12"(85mm-305mm).

Technical Date

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 order:

Shank Type + Head Diameter + Face Design + Button Shape

 

How to choose the buttons:

1. Domed/round buttons

Domes/round buttons are usually used as gauge buttons of DTH bits, suitable for very abrasive and very hard formations.

2. Parabolic buttons

Parabolic buttons are usually used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard formations.

3. Ballistic button

Ballistic button are usually used as front buttons of DTH bits, suitable for medium abrasive and medium hard formations. They can also be used as gauge buttons if the rock is soft.

 

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. What is the materials?

Steel is 42CrMo, Alloy is from KD10BH from ZCCCT

 

5. Product feature

Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer, and harness process is managed by multipurpose furnace heat treatment.

 

6. 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.
 

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.

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. 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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