DTH Hole Opener Mining Bits Alloy Teeth for Tunnel Hole Drilling

Model NO.
MDO188D8
Reamed Dia.
254mm
Weight
147.4kg
Shank
DHD380
Transport Package
Wooden Case
Trademark
MING
Origin
China
HS Code
8207199000
Production Capacity
20000PCS/Year
Reference Price
$ 1,237.50 - 1,306.80
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Product Description

DTH Hole Opener Mining Bits Alloy Teeth For Tunnel Hole Drilling

 
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.


High Air pressure DTH bit
DTH bit is our company main product. After many years search, we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft technology and passed through strictly inspection, manufacturing high quality products.
If you interested in our product please contact freely.

 

Technical Date

 

Model Guide Dia.A(mm) Reamed Dia B(mm) Qty.× Button Dia (mm) Shank Weight
(kg)
Gauge Front
MDO95D3.5 95 130 6×14 2×14 4×11 3×11 DHD3.5 8.5
MDO80D3.5 80 165 8×14 8×13 6×11 15.1
MDO100D3.5 100 165 8×14 4×13 4×12 3×12 14.5
MDO110D3.5 110 165 8×14 4×13 15.2
MDO100D4 100 165 8×14 4×13 4×12 3×12 DHD340 14.5
MDO115D4 115 171.5 9×16 6×14 16.1
MDO75D5 75 152 8×18 6×14 2×14 2×14 DHD350R 35.2
MDO165D6 165 191 10×16 3×14 4×14 DHD360 74.5
MDOD108D6 108 220 10×18 12×18 2×14 2×14 79.3
MDO165D6S 165 254 12×18 12×16 4×14 5×14 65.3
MDO140D8 140 200 10×18 8×12 2×14 4×14 DHD380 10.6
MDO188D8 188 254 22×18 2×18 147.4
MDO152D8 152 305 14×18 10×18 16×16 107.8
MDO210D8 210 381 16×18 28×18 12.5
MDO216D12 216 312 18×18 15×18 6×16 6×14 DHD112 133.6
MDO254D12 254 375 18×18 12×18 15×18 136.2
MDO311D12 311 444.5 18×19 15×19 21×19 328.5


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.
Company Profile

DTH Hole Opener Mining Bits Alloy Teeth for Tunnel Hole Drilling

DTH Hole Opener Mining Bits Alloy Teeth for Tunnel Hole Drilling
DTH Hole Opener Mining Bits Alloy Teeth for Tunnel Hole Drilling
 
Our Service

 

DTH Hole Opener Mining Bits Alloy Teeth for Tunnel Hole Drilling
Product Application

 

DTH Hole Opener Mining Bits Alloy Teeth for Tunnel Hole Drilling
 
FAQ

1. How to order the products?

A: Please send the inquiry with detail item description or with Model number.

 

2. Can I expect a quality products?

A: Yes. mature production technology ensuring the quality satisfy international request.

 

3. 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 ourwebsite for a better understanding.

 

4. How to make sure the quality?

A: More than 40 Years engineer to make sure the quality, 100% inspection.

 

5. What is the general delivery time?

A: 15   working days for DTH bits.

20-25   working days for DTH hammer

3-5   working days for ex stock items.

 

6. Methods of Payment

A: T/T (Telegraphic Transfer) or Western Union.

 
Packaging & Shipping

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.

Transprotation:  By air, By Express or By sea / By train , according to your requests.
DTH Hole Opener Mining Bits Alloy Teeth for Tunnel Hole Drilling

 

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