Roller bits

Name: Roller bits 
Size:  5 1/2’’, 5 7/8’’, 6 1/2’’, 8 1/2’’, 12 1/4’’, 12 1/2’’, 17 1/2’’
Material: Tungsten Carbide, 42CrMo
Application: Suitable for coring foundation piles in rock formations with hardness ranging from 80 to 200 MPa. Applicable rock types include chlorite, mica, phyllite, schist, quartz sandstone, siliceous limestone, weakly weathered granite, quartzite, basalt, and conglomerate.

INQUIRY

Product Details

Product Tags

Product Details:

Roller bits are primarily used in rotary bored pile core barrels, such as core barrels with roller bits, cross cutter core barrels, double-layer or triple-layer core barrels, and other specialized designs. Compared to round shank chisels (tungsten carbide bullet teeth), roller bits offer significantly higher cutter strength, cutting efficiency, and wear resistance. As a result, core barrels equipped with roller bits are far more suitable for coring hard rock in bored pile foundation applications.