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Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling

    Buy cheap Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling from wholesalers
     
    Buy cheap Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling from wholesalers
    • Buy cheap Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling from wholesalers
    • Buy cheap Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling from wholesalers
    • Buy cheap Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling from wholesalers

    Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling

    Ask Lasest Price
    Brand Name : MIROC
    Model Number : Down The Hole Hammer
    Certification : API
    Price : negotiation
    Payment Terms : T/T, L/C, D/A, D/P, Western Union, MoneyGram
    Supply Ability : 20000pcs per month
    Delivery Time : 10-25days
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    Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling

    Down Hole Hammers Golden For Hard Rock Mining 4 Inch DTH Hammers Drilling


    Describtion

    In DTH hammers, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH hammers a nearly constant penetration rate regardless of hole length.


    Product name

    DTH Hammer

    Material

    Alloy Steel&Tungsten Carbide

    Use

    Underground Mining,Water well,Mining,Quarry etc.

    Color

    Green&Others

    Heat treatment

    Anneal

    Shank series

    DHD,COP,MISSION, SD, DHD, BR, QL, BR,CIR etc.

    Application

    heavy construction,Ore Drilling, mining, oil and gas, quarries

    Hole

    60-305mm

    Size

    2/3/4/5/6/7/8/9/10/12/14 inches

    Advantage

    High Performance and factory price


    • Small to medium size drilling diameters
    • Works in low pressure range, capable of drilling shallow to medium hole lengths


    Specification

    DTH hammer typeDHD35DHD45SD4QL4
    Length(less bit) mm930mm103010841097
    Weight(less bit) kg25kg3940.541
    External diameter mmΦ82mmΦ99Φ99Φ99
    Bit shankDHD3.5COP44 DHD340SD4QL40
    Hole range(mm)Φ90-110Φ110-135Φ110-135Φ110-135
    Connection threadAPI 2 3/8” Reg.API 2 3/8"RegAPI 2 3/8"RegAPI 2 3/8"Reg
    Working pressure1.0-1.5Mpa1.0-2.5Mpa1.0-2.5Mpa1.0-2.5Mpa
    Impact rate at 1.5-1.7Mpa28Hz27Hz27Hz27Hz
    Recommended Rotation speed25-40r/min25-40r/min25-40r/min25-40r/min
    Air consumption1.0Mpa4.5m3/min6.0m3/min6.0m3/min6.0m3/min
    1.8Mpa9.0m3/min10.0m3/min10.0m3/min10.0m3/min
    2.4Mpa15.0m3/min15.0m3/min15.0m3/min

    Advantages

    dth hammer:dth hammer spare parts
    More efficient energy transfer.Valveless air distribution. More reliable.
    Faster drilling speed, 15%-30% higher than others.Simple design of the piston, long life
    Lower air consumption and lower oil consumption. oil consumption is about 10% lower than othersFewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
    Direct factory priceEasy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

    Applications

    • Underground mining

    • Quarry benching operations

    • Water well drilling

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