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T45-89mm Thread Button Bits

Tapered button bits: Cold forging process and excellent heat treatment exactly combined with the cold inlaying technique.

T45-89mm thread button bits


 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 impact energy into the rock with the least possible loss of energy.

The thread of drill rod or extension rod is mainly classified into two types: R thread and T thread and some special thread for big size product.

As for the size of R thread, there are R22, R25, R28, R32, R38. As for the size of T thread, there are T38, T45, T51

Thread Typediatip size(mm)flushing holesweight (kg)
mmgaugefrontsidefront
T38575*113*10111.6
645*123*11111.6
765*143*12122.4
T45706*114*10022.4
766*134*10022.6
898*125*12224.5
1028*136*12225
1158*146*13226.8
T51898*125*12224.9
1028*136*12225.8
1158*146*13226.8
1278*146*14227.5
 



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