| Color | Red |
The high quality of the threaded drill bits is guaranteed by the advanced manufacturing technology and first-class production luding imported CNC lathe for thread machining, vertical CNC machining center and the most advanced heat treatment equipment. Geotools can make all kinds of threaded drill bits, that include R25, R28, R32, R35, R38, T38, T45, T51, ST58, HT60, ST68 and so on, and the head diameter range from 41mm to 127mm.
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