Sign In | Join Free | My himfr.com
Home > Borewell Drilling Hammers >

Rock Drill Accessories Borewell Hammer

    Buy cheap Rock Drill Accessories Borewell Hammer from wholesalers
     
    Buy cheap Rock Drill Accessories Borewell Hammer from wholesalers
    • Buy cheap Rock Drill Accessories Borewell Hammer from wholesalers

    Rock Drill Accessories Borewell Hammer

    Ask Lasest Price
    Brand Name : New Diamond
    Model Number : NM series Hammer
    Certification : ISO9001:2008
    Price : Negotiable
    Payment Terms : L/C, T/T, Western Union
    Supply Ability : According to order quantity
    Delivery Time : 5-8 work days
    • Product Details
    • Company Profile

    Rock Drill Accessories Borewell Hammer

    Description


    DTH hammers are used for blast hole drilling and water well drilling project.Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining,Marble quarry or well drilling and other construction projects.


    Down the hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to partially transfer impact power into drilling holes. An air distributing device in a top hammer controls a piston to move back and forth. An impact device arranged in the front of the top hammer transfers the impact powderto a down-the-hole bit to crush rocks.


    A, using the raw material of super coarse grain hard alloy, the alloy has been sintered under pressure to improve the hardness and toughness of the bit.


    B, unique design, improve drilling speed, use significantly improve life.


    C, select advanced steel to ensure that the overall performance of the bit is consistent.


    D, after sale guarantee, to replace the bad goods package.


    Applications



    Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.


    Specifications


    NM Series High Air Pressure DTH Hammers Without Foot Valve

    Technical Data

    Length(Without Bit)NM4ANM5ANM6ANM8A
    1005mm1110mm1161mm1338mm
    Weight(Without Bit)40.00kg68.50kg90.00kg176.00kg
    External DiameterØ99mmØ126mm

    Ø142mm Ø144mm

    Ø146mm Ø148mm

    Ø180/Ø185mm
    Bit ShankNM4NM5NM6NM8
    Hole RangeØ110-Ø135mmØ155-Ø190mmØ155-Ø203mmØ195-Ø254mm
    Connection ThreadAPI2 3”/8REG

    API2 3”/8REG

    API3 1”/2REG

    API2 7”/8REG

    API3 1”/2REG

    API2 7”/8REG

    2 7”/8 IF

    API4 1”/2REG
    Working Pressure1.2-2.0Mpa1.3-2.3Mpa1.5-2.5Mpa1.5-3.0Mpa
    Impact Rate at 17 Bar30HZ28HZ25HZ22HZ
    Recommended Rotation Speed25-40r/min20-35r/min20-30r/min15-25r/min
    Air Consumption

    1.0Mpa:5.0m³/min

    1.8Mpa:9.0m³/min

    2.4Mpa:14.0m³/min

    1.0Mpa:7.0m³/min

    1.8Mpa:14.0m³/min

    2.4Mpa:19.0m³/min

    1.0Mpa:9.0m³/min

    1.8Mpa:18.0m³/min

    2.4Mpa:26.0m³/min

    1.0Mpa:12.0m³/min

    1.8Mpa:22.0m³/min

    2.4Mpa:28.0m³/min


    Feature Advantage



    1 Price commitment: in order to ensure the high reliability of products, high-quality brand products are selected for raw material selection. Under the same competitive conditions, the products will be provided to customers at a favorable price without reducing the technical performance of products.


    2 Quality commitment: the manufacture and inspection of the products have quality records and testing data, and the performance of the products can stand the customer's inspection.


    3 Customer service: in order to create new Jingang brand, enhance corporate reputation and set up corporate image, we serve customers with the principle of "preferential price, considerate service and reliable product quality".


    The appearance of the picture is different from that of the actual product, and the actual product is the standard.


    NM Series High Air Pressure DTH Hammers Without Foot Valve
    Item DescriptionWeight(kg)
    NM4ANM5ANM6ANM8A
    1,Top Sub6.5013.7020.0034.00
    2,“O” Ring Of Top Sub0.100.0150.0150.015
    3,Breakout Ring---0.30
    4,Chenck Valve0.350.700.701.20
    5,Spring0.050.100.100.10
    6,Air Distributor1.502.003.506.00
    7,Internal Cylinder2.102.804.206.50
    8,Piston8.5015.0023.0042.50
    9,External Cylinder14.8024.0026.0061.00
    10,Guided Sleeve1.802.604.805.30
    11,“O” Ring Of Stop Ring0.0050.010.010.01
    12,Stop Ring0.300.700.801.50
    13,Breakout Ring---0.30
    14,Drive Chuck3.806.504.2017.30
    15,Drill Bit6.6013.5023.0031.00
    Quality Rock Drill Accessories Borewell Hammer for sale
    Inquiry Cart 0
    Send your message to this supplier
     
    *From:
    *To: Hunan New Diamond Construction Machinery Co., Ltd.
    *Subject:
    *Message:
    Characters Remaining: (0/3000)