The longer life of the drill: the alloy material, with longer using lifewhich better than the similar products;
High Drilling Efficiency: the drill buttons is wear-resistant, so that thedrill can always keep sharp, thus greatly improving the speed of thedrilling.
The drilling speed is stable: the bit is scraped and cut to break therock. Good Performance: the ProDrill COPRODDrill bit has strong wearresistance, good diameter protection and can make the cutting teethbe used efficiently.
The use of a wide range: the practice proves that the bit is suitablefor carbonate rock, limestone, chalk, clay rock, siltstone, sandstoneand other soft and hard (9 - grade drillability of rock, hard rockdrilling),compared with normal bit, especially drilling in 6-8 graderock the effect is particularly significant.

The ProDrill COPRODDrill bit is mainly used in geological exploration, coal mine, waterconservancy and hydropower, highway, railway, bridge, construction and construction, etc.

Convex Face:

This Convex face is suitable for low- to medium-pressure drilling ofsoft-medium hard rock formations, and the drill block is not easy tocorrode.The characteristics of this design are the low load of the sidebutton, the wear is not badly and the drilling speed is fast.

Semi-Ballistic button:

Ballistic buttons are usually used as front buttons of dth bits, suitable for medium abrasive andmedium hard formations. They can also be used as gauge buttons if the rock is soft.

COPRROD89-115 mm Drill bit was used in Hualien Marble Quarry in Taiwan, which was drilled 3473.6m of marble rock after one time re grinding TCI from May 11, 2025.

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COPROD89-115 Dril Bits