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DHD350A 140mm High Air Pressure Dth Drill Bits

Categories DTH Hammer Bits
Brand Name: New Diamond
Model Number: DHD350 140mm
Place of Origin: Hunan, China
MOQ: 1pcs
Price: 170-220usd
Payment Terms: T/T, Western Union
Supply Ability: 100000pcs/month
Delivery Time: 2-4weeks
Type: Drill Bit
Machine type: Drilling Tool,Drilling Equipment,Downhole Tools
Material: Carbide,alloy steel
Processing type: Forging
Use: Well Drilling,Coal Mining,Mining and Drilling,Quarrying
Color: Blue,other color available,golden or Request
Product name: Dth bits
Application: Rock Drilling,Water well drilling and rock drilling,underground mining,quarries
Advantage: High Wear Resistant,Widely used hard rocks and have good penetration,High-efficiency,high performance and factory price,Direct Manufacturer
Usage: Hole Drilling,Mining,Geothermal Drilling,Water Well Drilling
Button shape: Spherical/Ballistic/parabolic/sharp/falt bottons
Advantages: high quality and factory prices
Formation: piston and drive chuck and extenrnal cylinder
Shank Length: 260mm
weight: 15.8kg
Outer Diam: 140mm, 146mm,152mm,165mm,178mm
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    DHD350A 140mm High Air Pressure Dth Drill Bits

    Rock Drill Bits DHD350A 140mm High Air Pressure Dth Drill Bits

    1. Button Shape: Spherical,Semi-ballistic,Ballistic.
    2. Durable performance, wear resistant and withstanding large impacting force.
    3. Long life span.
    5. Fast delivery time.


    DHDHead shape



    Number of ventsNO X button diamterweight (KG)
    DHD350Concave Face1462Round Button8XØ184XØ15+3XØ14-
    Flat Face Bit1652Round Button+Ballistic Button8XØ189XØ14-
    DHD350AConvex Face1402Round Button+Ballistic Button7XØ184XØ15+3XØ1415.8
    Flat Face Bit1522Round Button+Ballistic Button8XØ188XØ1417
    Concave Face1702Round Button8XØ186XØ15+4XØ14-
    Concave Face2003Round Button9XØ186XØ16+6XØ14-
    We can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape.


    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.

    Feature Advantage

    1. Long life span: the wear-resist of tungsten carbides is 10-20 times higher compared with other similar materials, which greatly extends the life of the carbide bits;
    2. High drilling efficiency: the high grade hardness of the carbides can always stay sharp, which could increase the drilling speeds too;
    3. New Diamond's bits are widely used in different rock formations like carbonate rock,limestone,chalk rock, clay rock,siltstone and sandstone;
    4. It can greatly reduce the drilling cost, because of its high drilling speed and life span, which reduces the times to changes bits in the drilling service.

    Hunan New Diamond offers top quality DTH hammers and bits which have been tested in the hardest rock formation. Our bits use quality hardened steel alloy for the bit body and premium quality tungsten carbide buttons. With superb performance and long life span. Our bits won high reputation among our customers.

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

    Quality DHD350A 140mm High Air Pressure Dth Drill Bits for sale
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