Technical Support


According to formation hardness and customer requirements, we recommend appropriate drill bits and teeth arrangement. With timely consultation, the drilling cost shall decrease efficiently.

Bit face design

Face

Application

Button bit ,short skirt

For H22 drill rod

Button bit,long skirt

For H22 drill rod

Retrac button bit,long skirt

Provide easy removal and completion of bit in adverse hole conditions

Retrac button bit,long skirt

Provide easy removal and completion of bit in adverse hole conditions

Flat face ,button bit

General purpose bit ,appropriate for medium to hard rock

Drop center

Straight hole application , appropriate for medium to hard rock

Half Drop Center

​Straight hole application , appropriate for medium to hard rock

 

Button bit insert types

Hemispherical Button

Conical Button

·Application Strength -universal button

·Best suited to hard ground

·25,000 to 45,000 PSI (170 to 300 MPa)

·Abrasive to very abrasive

Parabolic Button (semi ballistic)

Conical Button

·Application Strength - fast penetration

·Best suited to medium ground

·15,000 to 25,000 PSI (100 to 170 MPa)

·Mildly abrasive ground

Conical Button

Conical Button

·Application Strength-fast penetration

·Suited for all non-abrasive ground types

·Smaller contact area

·Best suited for smaller diameter bits

Ballistic Button

Conical Button

·Application Strength-fast penetration

·Best suited to soft ground

·10,000 to 20,000 PSI(70 to 140 MPa)

·Non abrasive ground

Kings rock tools

As an original manufacturer of premium rock drilling hollow steel and tools, we ensure that you will always get the right rock drilling tools, knowledge, support and perfect solution for your operation.

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