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Bestlink R25 Drifting and Tunneling Rock Drilling Thread Button Bit for Hole Blasting

Bestlink R25 Drifting and Tunneling Rock Drilling Thread Button Bit for Hole Blasting. Bestlink rock drilling thread button bits are widely used in all kinds of mining, drilling, quarrying, engineering, construction, water well drilling, oil exploring industries etc.

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  • R25 Thread drill bits
  • BESTLINK

Bestlink R25 Drifting and Tunneling Rock Drilling Thread Button Bit for Hole Blasting

thread button bits are widely used in all kinds of mining, drilling, quarrying, engineering, construction, water well drilling, oil exploring industries etc.

The thread button bits are made with high quality of best quality alloy steel bar and tungsten carbides with superior wear resistance and impact toughness superior, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.

Thread Button  BitDiameterCarbide  size(mm)Flushing holeWeight
mminFrontGaugeFrontSide(kg)
Qty×sizeQty×size

R25(1")


331 19/642×75×7110.36
351 3/82×75×8110.44
381 1/22×75×9110.56
411 5/82×85×9120.61
451 3/42×85×10120.78
481 7/82×95×11120.8
5122×105×11121.18
572 1/42×105×12121.26

 

Reaming toolsDFlushing hole (mm)Buttons(mm)
mminFrontGaugeFrontGauge

401 37/642×52×5.52×84×9
763---8×11

 

Drill rod (R25)L
mmftinch

Rod with hex shank 22*108 with thread R25


250-10
1500411
2400710
3200106
4000131

Rod with hex shank 25*108 with thread R25


250-10
1500411
2400710
3200106

Hex rod 25 with thread R25/R25


220072
247582
260086
280092
3100102

Hex rod 25 with thread R25/R25(MF)


15255-
18306-

 

Coupling SleeveLD
mmmmin

R25-R25

140371 29/64

R25-R32

175451 3/4

Bestlink Factory

Xiamen Bestlink Factory Co., Ltd  is  committed  to  provide  the  best  drilling  and  cutting machine,  tools and accessories products in marble and granite stone quarrying,  as well as in civil engineering application, especial demolition project. it is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite  and ornamental stones in china.  

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