zuanlongbits@gmail.com

+86-029-82612068

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Email: zuanlongbits@gmail.com

Tel: +86-029-82612068

Fax: +86-029-82612068

Address:No 66, Changming Road, Xi'an, Shaanxi Province, China

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PDC roof drill bit

  • PDC Roof Drill Bits/coal Bits/Mining Bits/dust Hog Bit

    Contact NowPDC Roof Drill Bits/coal Bits/Mining Bits/dust Hog BitPDC anchor shank drill bits are mainly used to drill the roof and side supporting hole, the gas drainage, water infusion, geological exploration hole and grouting hole and so on for the coal mine seam, water conservancy and hydro-power, dam and roadway construction of bolt-mesh support.Read More

  • PDC 3 Wings Half Tips Bit, Buy Roof Support Bolting Drill Bit

    Contact NowPDC 3 Wings Half Tips Bit, Buy Roof Support Bolting Drill BitPDC Roof Support Bolting Drill Bit are mainly used in cola mining roof supporting, gas drainage, water infusion, geological exploration hole and grouting hole drilling.Read More

  • 27-42mm Anchor Drill Bit/ Roof Bolt Bit/ Pdc Shank Bit For Sale

    Contact Now27-42mm Anchor Drill Bit/ Roof Bolt Bit/ Pdc Shank Bit For Sale1. Our drill bit adopt the new type material--- superhard PDC cutters as its main cutting tool, so the service life of drilling is 10~30 times longer than the cemented carbide bits under the same rock formation; 2. Has high wear resistance and high impact resistance toughness, which reduces the labor intensity; 3. Non-diameter reduction and high successful hole rate, which greatly improves drilling effiency in soft and medium-hard rock formation; 4. PDC is not easy to be collapsed ensured perfect stability in penetration and hole drilling; 5. All of our roof bolting bits could be made to the inner spiral; 6.Wide range of application from 5≤f≤12.Read More

  • PDC Anchor Bolt Coal Mining Drill Bits

    Contact NowPDC Anchor Bolt Coal Mining Drill BitsWhat is the Detail of PDC Anchor Bolt Coal Mining Drill Bits? 1) Adopt new superhard materials, cutting bit long service life. 2) Can greatly improved drilling efficiency of in medium hard rock and harder medium. 3) The blade is durable, do not need to grinding, easy to use. 4) It reduces the labor intensity of workers. It’s suitable in 4 to 12 class rock stratum.Read More

  • ​Coal Mining Diamond PDC Roof Bolt Drill Bit Mainly Used In The Industries ,Water Conservancy

    Contact Now​Coal Mining Diamond PDC Roof Bolt Drill Bit Mainly Used In The Industries ,Water ConservancyOur pdc roof bolt coal mine drill bit, which divided into 2 kinds----double wing and triple wing. All suitable for drilling the anchor-network support holes in the coal mine. We could supply the size from Φ25 to Φ42mm. And we also could provide the different strength roof bolting bits, like ordinary type, strengthened type, and super strengthened type.Read More