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  • Sinodrills Cross Bits - China

    price: contact company for price

    Thread cross bits

    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

    Taper Cross Bits

    SINODRILLS Taper Cross Bits

    Taper cross bits are better than taper chisel bits while drilling. Taper cross bits have different connect degree and diameter. The bit heat is composed of four pieces tungsten carbide insert, and it connected by taper connection with taper drill rods. It used for hard rock formation.

    SINODRILLS Taper cross bits Specifications

    Bit diameter: 32mm ~ 45mm

    Taper degree: 4°46’, 6°, 7°, 11°, 12°

    Special size is available upon by drawings or samples


    Company Contact:


    • Phone: 868516800738

    • Address: 16F,Xiongjun International Building Weiqing Road G, Guiyang, China

    • Email: Email


    Published date: December 1, 2014 -

    • Business Description: We, Guizhou Sinodrills Equipment Co., LTD, are an ISO9001 certified manufacturer of various high quality rock drilling tools widely used for mining, quarrying, construction, tunneling, oil (gas) driling, construction and civil engineering . Established in 2002, we are committed to continuous improvement of our products quality while reducing the cost by combining with state of the art design, selected premium raw materials ,advanced workshop and highly skilled workforce. We carry a comprehensive range of rock drilling tools including TH(top hammer) drilling tools, DTH( down the hole) drilling tools, diamond exploration drilling tools, SDA(self drilling anchor) tools and rotary drilling tools( drag bits and tricone bits).Thanks to excellent quality and competitive price, our products have been exported to 78 countries till 2012, especially in some european countries and North America countries, we share a good market.

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