MAXDRILL ROCK TOOLS CO., LTD

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thread tools,taper drilling tools
Specification: (1)Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T6
Detail: MAXDRILL T Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive i***ct ener...

rock drilling tools,button bit
Specification: )Steel grade: 20CrNi3Mo equivalent to SANDBAR 64
Detail: Thread button bits made with high quality of best quality alloy steel bar and tungsten carbides, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive i***ct energy into the...


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