QL 50 shank 152 mm high air pressure flat face DTH down the hole hammer drill bit without foot valve valveless

$236.00
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Company Information

Changsha Adriller Machinery Co., Ltd.

CN Trading Company
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Quick Details

Port: Shengzhe or Shanghai Port
Payment Terms: L/C,T/T,Western Union
Supply Ability: 10000 Piece/Pieces per Month
Place of Origin: Hunan China
Brand Name: ADRILLER
Type: DTH drill bit
Machine Type: Rock drilling tools
Certification: Other
Material: Steel
Processing Type: Forging
Use: Mining &amp; water well drilling
Product name: QL50-152 Down The Hole DTH Drill Bit For Atlas Rock Drilling Rig
Face Shape: Flat Face
Button Type: All Around Ball Button
Air Pressure: Low Air Pressure
Size: 152mm
Packaging Detail: Each piece on one weeden box. Or accrording to Customer Requirments

6" 152mm Low Air Pressure  Ball Button QL50  DTH Drill Bit For  Atlas Rock Drilling Rig

 

Product Description

All Adriller products are compatible with many products manufactured by Sandvik, Atlas Copco, etc.

all our products are widely used in mining, tunneling, quarrying, construction, and civil engineering project.

 

DTH bits
1. manufacture as your requirement
2. bit diameter, face shape
3. carbide button shape
4. number of air hole

 

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Carbide Selection

 

Carbide Designs

Perhaps the most fundamental decision when selecting different carbide

 configurations is profile shape. Button bits most commonly have either a hemispherical

or semi-ballistic carbide design; however it is not uncommon to use other carbide designs as well.

 

Faster

Shorter lifetime and susceptible to breaks : Conical  Full Ballistic

 

Penetration rate:

Tungsten carbide life time. Semi Ballistic

 

Slower

Longer lifetime and less susceptible to breaks: Crown Point and Hemispherical

 

Head Profile Design

 

Flat Face

Applications : Hard and abrasive formations, all round

Typical formations:  Granite, hard limestone, basalt

 

Convex

Applications:  Soft to medium hard rock, high penetration rate.

Typical formations : Limestone, hard limestone, shale, granite, basalt

 

Concave

Applications: Medium hard to hard formations, less abrasive, fractured formations, excellent control over hole deviation

Typical formations : Granite, basalt

 

Concave Kupa

Applications : Special design with ballistic front buttons, medium hard to hard formations, fractured formations.

Typical formations :Granite, basalt

 

 

Scope of application:

 

 Mining, quarry, road building, well hole drilling, blasting, landslide prevention, dam reinforement, anchoring, geothermal, hydrology, etc