Q12-T51-89 Rocket button bitv

12 Conical carbide inserts T51 threaded drill bit with rocket design, 89 mm diameter match with extension drill steels. rocket are well suited for drilling straighter holes in less abrasive and less consolidated rock at a faster rate.
T51-89-12 rocket button bit, 12mm*12

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Diameter: 76mm, 89mm, 102mm

Skirt body: normal

Carbide shape: Conical carbide

Used in bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer drilling tools.

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