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Litian Heavy Industry Machinery Co., Ltd.
Litian Heavy Industry Machinery Co., Ltd.
Bit Mining
Drill Button Bits
Hard Bit Mining
Quarry Rock Drill Bits
Bit Mining
Drill Button Bits
Hard Bit Mining
Quarry Rock Drill Bits

Threaded Button Bit

In top hammer threaded drilling tools, standard threaded button bit is the most widely used drill bit, which can be applied to all rock conditions. Our standard button bits are R25 button bit, R28 button bit, R32 button bit, R35 button bit, R38 button bit, T38 button bit, T45 button bit, T51 button bit, GT60 button bit, ST58 button bit, ST68 button bit...

Specification Of Threaded Button Bit

R35


Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]


Bit Front Button

[No.] × [mm]


Bit Gauge Button

[No.] × [mm]


Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



48


1 7/8


3 × 9


6 × 10


3


2


0.9


R35-489ZC


306-048-365


51

2”

3 × 9

6 × 10

3

1

0.9

R35-519ZC

306-051-364




R25

Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]

Bit Front Button

[No.] × [mm]

Bit Gauge Button

[No.] × [mm]

Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



38


1 1/2"


2 × 8


5 × 8


1


2


0.6


R25-387ZC


302-038-253


41


1 5/8


2 × 8


5 × 9


1


1


0.5


R25-417ZC


302-041-252


43

1 11/16

2 × 9

5 × 9

1

2

0.6

R25-437ZC

302-043-253


R28

Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]

Bit Front Button

[No.] × [mm]

Bit Gauge Button

[No.] × [mm]

Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



38


1 1/2"


2 × 8


5 × 8


1


2


0.6


R28-387ZC


303-038-253


41


1 5/8


2 × 8


5 × 9


1


1


0.5


R28-417ZC


303-041-252


43

1 11/16

2 × 9

5 × 9

1

2

0.6

R28-437ZC

303-043-253


R32

Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]

Bit Front Button

[No.] × [mm]

Bit Gauge Button

[No.] × [mm]

Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



41


1 5/8


2 × 8


5 × 9


1


2


0.5


R32-417ZC


305-041-253


43


1 11/16


2 × 8


5 × 9


1


1


0.6


R32-437ZC


305-043-252


43


1 11/16


2 × 8


5 × 9


2


-


0.6


R32-437FZC


305-043-252F


45


1 3/4


2 × 9


5 × 10


1


2


0.7


R32-457ZC


305-045-253


45


1 3/4


3 × 9


6 × 10


3


1


0.7


R32-459ZC


305-045-364


48


1 7/8


3 × 9


6 × 10


3


1


0.9


R32-489ZC


305-048-364


48


1 7/8


2 × 9


5 × 10


1


2


0.9


R32-487ZC


305-048-253


51


2”


3 × 9


6 × 10


3


1


1.2


R32-519ZC


305-051-364


57


2 1/4


3 × 10


6 × 11


3


1


1.3


R32-579ZC


305-057-364


64


2 1/2


4 × 10


8 × 10


2


2


1.8


R32-6412ZC


305-064-484


76

3”

4 × 11

8 × 11

2

2

2.7

R32-7612ZC

305-076-484


R38

Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]

Bit Front Button

[No.] × [mm]

Bit Gauge Button

[No.] × [mm]

Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



64


2 1/2


3 × 11


6 × 12


2


1


1.6


R38-649ZC


307-064-363


76

3”

4 × 12

8 × 12

2

2

2.3

R38-7612ZC

307-076-484


T38

Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]

Bit Front Button

[No.] × [mm]

Bit Gauge Button

[No.] × [mm]

Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



64


2 1/2


3 × 11


6 × 12


1


2


1.6


T38-649ZC


322-064-363


64


2 1/2


4 × 10


8 × 10


2


2


1.8


T38-6412ZC


322-064-484


76


3”


4 × 11


8 × 12


2


2


2.6


T38-7612ZC


322-076-484


76


3”


4 × 12


6 × 13


2


1


2.5


T38-769ZC


322-076-463


89


3 1/2


5 × 12


8 × 13


1


2


3.2


T38-8913ZC


322-089-583


89

3 1/2

6 × 12

8 × 12

2

2

3.3

T38-8914ZC

322-089-684


T45

Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]

Bit Front Button

[No.] × [mm]

Bit Gauge Button

[No.] × [mm]

Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



76


3”


4 × 11


8 × 12


2


2


2.6


T45-7612ZC


323-076-484


76


3”


5 × 11


8 × 11


4


-


2.6


T45-7613ZCA


323-076-584


89


3 1/2


5 × 12


8 × 12


2


2


3.3


T45-8913ZC


323-089-584


89


3 1/2


6 × 12


8 × 12


2


2


4.5


T45-8914ZC


323-089-684


102


4”


6 × 14


8 × 16


3


-


5.0


T45-10214ZC


323-102-683


102

4”

4×12  2×10

8 × 12

4

-

4.5

T45-10214ZCA

323-102-684


T51

Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]

Bit Front Button

[No.] × [mm]

Bit Gauge Button

[No.] × [mm]

Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



76


3”


4 × 12


8 × 12


2


1


2.7


T51-7612ZC


324-076-483


89


3 1/2


5 × 12


8 × 13


4


-


3.4


T51-8913ZC


324-089-584


89


3 1/2


6 × 12


8 × 12


2


2


4.9


T51-8914ZC


324-089-684


102


4”


6 × 14


8 × 16


2


-


6.0


T51-10214ZC


324-102-682


115

4 1/2

4×14  2×12

8 × 14

4

-

5.9

T51-11514ZCA

324-115-684


ST58

Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]

Bit Front Button

[No.] × [mm]

Bit Gauge Button

[No.] × [mm]

Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



89


3 1/2


6 × 12


8 × 13


2


2


4.1


ST58-8914ZC


341-089-684


89


3 1/2


4×12  2×10


8 × 12


4


-


4.0


ST58-8914ZCA


341-089-684A


115

4 1/2

6 × 14

8 × 14

2

-

7.0

ST58-11514ZC

341-115-682


ST68

Diameter

Buttons

Flushing Hole

Weight

Model No.

Part No.


[mm]


[in]

Bit Front Button

[No.] × [mm]

Bit Gauge Button

[No.] × [mm]

Button Bit Gauge Flush Hole

[No.]

Button Bit Price

[No.]


[kg]



102


4”


6 × 14


8 × 14


2


-


7.2


ST68-10214ZC


342-102-682


102

4”

8 × 12

10 × 12

4

-

5.9

ST68-10218ZC

342-102-8104



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