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8 DTH Hammer Mining DTH Bit , Alloy Steel High Strength Rock Drill Tools
8 DTH Hammer Mining DTH Bit , Alloy Steel High Strength Rock Drill Tools
Specifications
Brand Name :
Teamwhole
Model Number :
Mission80-254,QL80-254,SD8-254
Certification :
ISO9001
Place of Origin :
Hunan, China (Mainland)
MOQ :
1 Piece/Pieces
Price :
Negotiation
Payment Terms :
L/C, T/T
Supply Ability :
50000 Piece/Pieces per Month
Delivery Time :
In 15 days after receiving the advance payment
Packaging Details :
Inner package with cartons, outer package with wooden cases.
Color :
As customer's need
Usage :
Mining or marble quarry or water well drilling
Hammer :
8" DTH hammer
Flushing hole :
2
Sample: :
avaliable
Description

MISSION80-254mm rock drill bits widely used in blasting hole and water well drilling.

Matched hammer Dia. Bit diameter No.× Button Dia.(mm) Air holes

Weight

(kg)

 Shank
mm inch Gauge Front
8” 203 8 9*18 6*18+4*16 3 46

DHD380/SD8

/QL80/MISSION80
216 8 1/2 10*18 6*18+7*16 3 50
254 10 10*18 6*18+9*16 3 60
305 12 12*18 12*18+12+16 3 82

Bit Face Shape Selection:

1. Drop Center Bit

For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.

2. Concave Face

The all-around application bit face specifically for medium hard and homogeneous rock formations. Good hole deviation control and good flushing capacity.

3. Convex Face

For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce theload and wear on the gauge buttons, but poor hole deviation control.

4. Flat Face Bit

This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.

Carbide Button Shape Selection:

1. Semi-Ballistic Buttons

2. Ballistic Button

3. Spherical Button

4. Two-step Button

Steel:

First class special alloy steel with high strength, heat resistance and wearable

Carbide:
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.

Quality Warranty:

Our company response for any quality problem caused by material or machining defect.

Product tags

rock drilling tool

,

tool steel drill rod

,

tungsten carbide rock drilling tools
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8" DTH Hammer Mining DTH Bit , Alloy Steel High Strength Rock Drill Tools

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Product Detail
Brand Name :
Teamwhole
Model Number :
Mission80-254,QL80-254,SD8-254
Certification :
ISO9001
Place of Origin :
Hunan, China (Mainland)
MOQ :
1 Piece/Pieces
Price :
Negotiation
Contact Supplier
8 DTH Hammer Mining DTH Bit , Alloy Steel High Strength Rock Drill Tools

Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.

Active Member
8 Years
ningxia, jinzhou
Since 2002
Business Type :
Manufacturer
Main Products :
DTH Drilling Tools, DTH Drill Bit, Down The Hole Hammer
Total Annual :
10Million-50Million
Employee Number :
201~300
Certification Level :
Active Member
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