SINODRILLS Thread cross bits/ X-type bits
Thread cross bits are composed of four pieces tungsten carbide insert in the bit head. The inset angles are equal on all four sides than X-type bits. They can be used in mining, quarrying, tunneling and other drilling condition. All the drill bits are use premium steels to produce the body of the bit, and then inset high quality tungsten carbide insert. The skirt of the bit is designed as normal type and retrac type.
SINODRILLS Taper button bits Specifications
Bit diameter: 38mm ~ 127mm
Thread size: R22, R25, R28, R32, SR32, R35, R38, T38, T45, T51