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Quarrying Rock Hammer Bits QL40 DTH Bit Rock Drill Bits For Blasting Drilling

Categories DTH Drill Bits
Brand Name: SOLLROC
Model Number: QL40 dth bits
Certification: SGS
Place of Origin: China
MOQ: 1 set
Supply Ability: 2000 sets per month
Delivery Time: 3-4 weeks
Packaging Details: carton + ply wooden case + pallet for seaworthy or airworthy
Product name: QL40 dth button bits
Color: Black or optional
Air pressure: 10-25 bar
Applications: water well drilling, mining, rock drilling
Face shape: Flat, Convex, Concave
Diameter: 110mm, 115mm,120mm,125mm,130mm
Connection thread: API 2 3/8" reg
Keyword: QL40 drill bit
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    Quarrying Rock Hammer Bits QL40 DTH Bit Rock Drill Bits For Blasting Drilling

    Quarrying Rock Hammer Bits QL40 DTH Bit Rock Drill Bits For Blasting Drilling

    We offer THE COMPLETE SOLUTION including DTH drill bits, DTH hammer, RC hammers, RC bits, ODEX system, Symemtrix system, drill rods, shank adapters, accessories and added value services.
    - We offer top hammer equipment for every application, such as underground mining and quarries, road and construction.
    - We've been involved in the mining industry for 10 years. We look for excellent performance in our products and service.

    Product specifications:

    Our hammer and bits are made of high quality alloy steel with advanced heat treatment to assure the good drilling performance and long service life. They are widely used by our customers all over the world.

    All the products are manufactured as per the international standard and well compatible with the brand of Atlas Copco, Ingersoll-Rand, Sandvik etc

    Main Features
    1) DTH hammers series we supply
    A) High pressure series
    B) Medium pressure series
    C) Low pressure series
    D) High efficiency high pressure series
    E) Reverse circulation series
    2)Outside diameters: 61.2~275mm
    3)Drilling diameter: 68~508mm

    Bit Face Shape Selection:

    1. Drop Center Bit

    For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures. Maximum hole deviation control.

    2. Concave Face

    The all-around application bit face specifically for medium hard and homogeneous rock formations.

    Good hole deviation control and good flushing capacity.

    3. Convex Face

    For high penetration rates in soft to medium-hard with low to medium air pressures. It is the most resistance to steel wash, and may reduce theload and wear on the gauge buttons, but poor hole deviation control.

    4. Flat Face Bit

    This kind of face shape is suitable for hard to very hard and abrasive rock formations in applications with high air pressures. Good penetration rates an resistance to steel wash.

    Carbide Button Shape Selection:

    1. Semi-Ballistic Buttons

    2. Ballistic Button

    3. Spherical Button

    4. Two-step Button






    External Dia.(mm)

    Hole Range


    3.5 inchDHD3.593025Φ82Φ90-110
    4 inchDHD340103039Φ99Φ110-135
    5 inchDHD350121476.5Φ125Φ135-155
    6 inchDHD3601248100Φ142Φ155-190
    8 inchD851492188Φ180Φ195-254
    10 inchSD101502290Φ226Φ254-311
    12 inchDHD1120

    All can be designed according to your requests!

    Numa 125

    Product photos


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    Quality Quarrying Rock Hammer Bits QL40 DTH Bit Rock Drill Bits For Blasting Drilling for sale
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