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R25 Drifting And Tunneling Rock Drilling Thread Button Bit For Hole Blasting

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

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

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

product DetailsThread button bit

Packing Site for thread drill bits


drill bits

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