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194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System

    Buy cheap 194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System from wholesalers
     
    Buy cheap 194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System from wholesalers
    • Buy cheap 194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System from wholesalers
    • Buy cheap 194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System from wholesalers
    • Buy cheap 194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System from wholesalers
    • Buy cheap 194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System from wholesalers

    194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System

    Ask Lasest Price
    Brand Name : MIROC
    Model Number : QL60
    Certification : ISO
    Price : negotiation
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 2000pcs per month
    Delivery Time : 15-20days
    • Product Details
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    194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System

    It is suitable for drilling water wells , geothermal wells , short miscopies ,medium mini-type grouting hole of
    building , dam and harbor project .


    1. Ring bit and casing shoe assembly is welded to casing prior to drilling. Lock the assembly
    into pilot bit with hammer. The pilot bit's upper shoulder engages the shoulder of the casing shoe.

    2. Hammer's percussive energy is transferred through the pilot and ring bits, crushing rock . Part of impact energy advances casing.

    3. On completion of drilling and casing , the drill string with pilot bit is retrieved by a slight reverse rotation to unlock the bayonet coupling .The ring bit stays in the hole , and can be recovered only if the casing is retrieved

    4.If further drilling is required on the bedrock,the pilot bit is simply repiaced by an appropriate size of standard DTH bit.


    Model(mm) Casing OD(mm)Maximum OD of Center Bit(mm) Casing Shoe IDMaximum OD of Reaming(inch) Hammer Type
    146slide Block Casingφ146φ123φ115φ1564
    168slide Block Casingφ168φ146φ140φ1855
    178slide Block Casingφ178φ156φ150φ1935
    183slide Block Casingφ183φ160φ154φ1935
    194slide Block Casingφ194φ178φ166φ2116
    219slide Block Casingφ219φ203φ193φ2376~7
    245slide Block Casingφ245φ220φ210φ2606~8
    273slide Block Casingφ273φ251φ241φ3088
    325slide Block Casingφ325φ298φ281φ3788~10
    377slide Block Casingφ377φ350φ335φ43010~12
    406slide Block Casingφ406φ380φ363φ42612
    560slide Block Casingφ560φ530φ511φ59018
    610Slide Block Casingφ610φ582φ556φ64018


    Quality 194mm Ql60 Overburden Wing Bit For Concentric Casing System Rock Drilling Eccentric Casing System for sale
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