Bit

Please move a mouse/touch the bit picture for showing type of bit,
and then click the bit picture for matrix availability.

GW series

IMP Type

Flat Flat plus V-ring Ultra Z-kerf

OP & Size OP & Size OP & Size OP & Size OP & Size

 

Surface Type

Spike

OP & Size

 

GWS series

IMP Type

FE FE Special Donuts

OP & Size OP & Size OP & Size

 

Wireline series

IMP Type

Flat FD V-ring Ultra Z-kerf

OP & Size OP & Size OP & Size OP & Size OP & Size

 

Surface Type

Step Spike

OP & Size OP & Size

 

PDC series

PDC Bit

PDC Bit

 

Please ask more detail and different size of items also available

 

Other

Single
Tube
Core
Bit
Double
Tube
Core
Bit
(Thin wall Bit)
DCDMA
Size Size Size

 

 

Rock Type
Impregnated Bits Surface Set Bits
Fractured layer Homogeneous layer Matrix Hardness
Matrix Hardness
Hard Soft Hard Soft
Matrix Type Matrix Type
R W W M J D E C A
Soft Clay




R9






R8






R7
       




D45


     
Soft shale            







E35
   
Chalk                  
Volcanic tuff                  
Mud stone  





W6




W5




W4
             
Gypsum                  
Limestone                  
Slate                  

Medium

Hard

Sand stone                  
Sandy shale                  
Sandy limestone                  
Soft schist                  
Silt                  
Medium hard shale                  
Hard Hard sandy limestone                  
Veined limestone                  
Dolomite                  
Hard limestone    





W3



W2



W1
           
Schist                  
Serpentine              




C25


 
Hard schist                  
Mica schist                  
Hard dolomite                  
Marble      




M2




M1
         
Olivine                  
Andesite                  
Diabase                  
Giant granite        
J2
J1

J12
       

Extremely

Hard

Metamorphic schist                




A15


Gneiss                  
Amphibolite                  
Granite                  
Quartz-trachyte                  
Gabbro                  
Quartz-porphyry                  
Rhyolite                  
Chert