Sign In | Join Free | My himfr.com
Home > Self Drilling Rock Anchor >

Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support

HUNAN GOLDEN GLOBE I AND E OED CO.,LTD.
Contact Now
    Buy cheap Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support from wholesalers
     
    Buy cheap Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support from wholesalers
    • Buy cheap Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support from wholesalers
    • Buy cheap Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support from wholesalers
    • Buy cheap Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support from wholesalers

    Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support

    Ask Lasest Price
    Brand Name : OED/OEM
    Model Number : R25/51
    Certification : ISO9001:2008
    Price : Negotiable
    Payment Terms : L/C, , T/T
    Supply Ability : 10000pcs per month
    Delivery Time : 45 days
    • Product Details
    • Company Profile

    Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support

    Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support


    Specifications of drilling bits R25/51mm

    Thread:R25

    Diameter:51mm

    Left Hand

    Hardness:HRC48-HRC55

    Processing Type:Casting


    Description:

    The Self Drilling Anchor system is comprised of a hollow threaded anchor bar with a sacrificial drill bit that performs drilling, anchoring and grouting in a single operation. Self drilling anchor system is mainly used in slope stabilization, tunneling pre-support, foundations with micro piles etc projects.


    Advantages and Characteristics as below:

    1. No casings required, because anchor bars can be drilled into loose soils without needing casings to support the boreholes.

    2. Fast drilling and installation, because drilling, installation and grouting are in a single operation.

    3. Both rope threads and trapezoid threads are robust and ideal for rotary-percussive drilling and ensuring a high level of bond with the borehole gout.

    4. The hollow core not only serves for flushing during drilling, but also for grouting after drilling.

    5. Continuous threads ensure the bars can be cut and coupled at any point, or extended.

    6. Different anchor bits are available for different ground conditions.

    R thread anchor bar or called rock bolt, soil nail, which is a kind of threaded hollow bar, bar surface with an rope thread according to ISO 10208 & 1720. It was firstly invented by MAI on 1960S to solve the low construction speed on complicated underground works, nowadays; it is very popular all around the world.


    Bits type:

    Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support


    Anchor bit diameter to choose:

    Dia.42517690100115130150175220250280300350
    R25
    R32
    R38
    R51
    T76
    T30
    T40
    T52
    T73
    T103
    Thread standardISO 10208 / ISO 1720/ Other international standards
    Thread directionLeft hand / Right hand
    HardnessHRA 87 ~HRA90 for TC bits, HRC 48 ~HRC 55 for all steel bits.
    Quality Bit Drill for Ground Anchor R25/51mm Self Drilling Rock Anchor for Tunnel Support for sale
    Inquiry Cart 0
    Send your message to this supplier
     
    *From:
    *To: HUNAN GOLDEN GLOBE I AND E OED CO.,LTD.
    *Subject:
    *Message:
    Characters Remaining: (0/3000)