Xi'an Tydrillbits Co.,Ltd is one of the most famous China blast hole tricone rock bits manufacturers,Website:://.tydrillbits.com, welcome to wholesale cheap blast hole tricone rock bits from our factory.Specification:1,    Blast hole tricone rock bits2,    Air-cooled and gas pressure deslagging bit3,    For coal, iron ore, engineering hole chisel into and slag discharge4,    With slag tube5,    Toothed, teeth, claws made of alloy steel teeth using cemented carbide materials6,    Can be cut into about 500 meters to 500 metersApply  formationModelWob KN/mmDrilling speed(Rev/ min)Low compressive strength of abrasive medium hard rockKX540.392-0.83480-120High compressive strength of abrasive in hard rockF = 10 ~ 12KX6350.490-0.88360-100High compressive strength of abrasive in hard rockKX640.490-0.88360-100High abrasive abrasive or hard formationF = 12 ~ 16KX740.588-1.17750-80High abrasive and hard rock strata F = 16 ~ 20KX8450.687-1.47150-80Product feature:1,    Using air cooling, reduce the bearing temperature.2,    Using air discharge to ensure that the bottom hole clean.3,    Meet liquid slag tube, prevent waste residue into the drill bit.4,    Different using different types of rock structure design, can improve efficiency.5,     Has the gauge teeth, have good protection bit effect, prolong life.Diagram