R32 R35 R38 T38T T45 T51 GT60 Retrac Button Bit for blast hole top
hammer drilling
Retrac button bits
Retrac button bits are mainly used in loose rock mass with
relatively broken rock. The retrac skirt design can assist in
retrieving the drill tool, reduce the phenomenon of bit stuck and
buried, and help improve the straightness of the borehole. Our
retrac button bits are R25 retrac button bit, R28 retrac button
bit, R32 retrac button bit, R35 retrac bit, R38 retrac button bit,
T38 retrac button bit, T45 retrac button bit, T51 retrac button
bit, GT60 retrac button bit, ST58 retrac button bit, retrac ST68
button bit.
ROSCHEN Retract Threaded Button Bits
With the top quality of alloy steels imported from USA and the best
carbides made in China, we produce all threaded button bits by hot
press technology.
Technical Parameters:
• Thread size: R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38,
T45, T51, SST58, SST68, SGT60;
• Head diameters: 51mm ~ 152mm;
• Face designs; flat face, drop center, uni-face;
Features:
• Alloy buttons are hot mounted into the drill bit, ensuring the
bit good accuracy and durability;
• Reliability ensured by premium drill bit materials and premium
alloy button;
• Different types designed for different drilling scenarios and
rock conditions;
• High speed and drilling efficiency;
• Cost-effective, good performance with reasonable price.
Applications
Drilling works for blasting duties in tunneling, construction,
mining, quarrying, etc.
Roschen is a professional drill rod factory. Our products and
services are divided into three categories: top hammer drilling
tools, TBM cutters, raise boring drilling tools.
