Thread T45-76mm Rock Button Bits

XTC rock drilling tools top hammer drill button bits include normal, retrac and reaming three series, with stronger button-fixing ability, longer service life, better wear-resistance and impact-resistance performance, widely used in tunneling, underground mining, open pit mining, anchoring and other large-scale construction projects.   Drop center drill bits will help drill straighter holes in less consolidated rock.   Top hammer tools 76mm-T45 top hammer bit uses high performance carbides as material of button and super durable steel for body. 76mm-T45 bit has drop center face and regular body with 8*13mm gauge semi-ballistic buttons and 5*12mm front semi-ballistic buttons. 76-T45 bit is widely used on quarrying and surface mining.   Model 76mm T45 Drop Center Thread Type T45 Head Dia. 76mm Face Design Flat Face, Drop Center, Convex, Dome, Reamer Button Set 8*13mm+5*12mm Button Shape Spherical, Ballistic, Semi-ballistic, Conica…

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