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API 2 3/8" Regular Down The Hole Hammer For Water Well And Blasting

Categories Carbide Drilling Tools
Brand Name: JWE
Model Number: VNMG080404
Certification: API
Place of Origin: Zhuzhou China
MOQ: 20 pieces
Price: Negotiable
Payment Terms: T/T
Supply Ability: 8,000,000 pieces
Delivery Time: 10 Days
Usage: External Turning Tool
Material: Tungsten Carbide
Application: Energy & Mining
Color: Required
Type: CNC Insert
Package: Wooden box
Processing Type: Forging
Machining Method: Finish, Semi-finish, Rough
Coating: PVD/CVD
Workpiece Material: Steel, Stainless Steel, Cast Iron,
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    • Product Details
    • Company Profile

    API 2 3/8" Regular Down The Hole Hammer For Water Well And Blasting

    API 2 3/8" Regular Down The Hole Hammer For Water Well And Blasting


    Production Description


    Our company is specializing in drilling rigs and drilling parts for decades. We have exported to more than 30 countries all over the world. We have kinds of drilling rigs, such as DTH (Down The Hole) drilling rig, Water well drilling rig, Oil well drilling rig, Piling drilling rig with different types of Truck Mounted, Trailer Mounted and Crawler Type. For drilling parts, we have the following: DTH hammers/bits, Tricone bits, PDC Bits, Button Bits, Chisel Bits, Drill Pipe, Pick Cutters etc.


    Advantage:


    1. Valveless air distribution, more reliable.

    2. Piston with simple but compact design, long life.

    3. More efficient energy transfer, faster-drilling speed, lower air consumption, and lower oil consumption.

    4. Fewer internal parts, simple structure, longer life, less failure, and easier to maintain, with all heat-treated parts;

    5. Easy to disassemble, thanks for the top sub, drive chuck and external cylinder all are connected by a multi-step thread.


    Specification:


    DTH hammer typeHD35HD45HSD4HQL4
    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
    2.4Mpa/15.0m3/min15.0m3/min15.0m3/min

    How to Select Threaded Button Bits Face shape and Carbide Button Shape



    Drop Center

    For high penetration rates in soft to medium-hard and fissured rock formations.
    Concave Face
    The all-around application bit face is specifically for a medium-hard and homogeneous rock formation. Good hole deviation control and good flushing capacity.
    Convex Face
    For high penetration rates in soft to medium-hard with low to medium air pressure. It is the most resistant to steel wash, and good resistance to steel wash step gauge bit.
    Flat Face
    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.


    B: Insert Carbide Button shape Selection
    The different button is ideal for different ground conditions, abrasive levels, and penetration levels. In general, the more gauge buttons, the better over performance, especially in hard rock.


    Features of our Threaded Button Bits:
    * Be produced from premium quality Nickel-alloy steel or Molybdenum-ally steel for increased durability and wear characteristics
    * Specific heat treatment standards and strict production process ensure consistent performance



    Product Packaging



    FAQ
    Q: Are you a trading company or manufacturer?
    A: We are a professional factory for 15 years.
    Q: Trade Assurance?
    A: We have joined the Trade Assurance on Alibaba to protect your payment to make sure that we deliver on time and manufacture quality products as required.
    Q: How to send an inquiry?
    A: It's better to send us detailed specifications of products, it's better attaching some photos for better understanding, You
    can:-Send us an inquiry from the Alibaba.com platform.-Send email to us directly, salespersons always wait for service at work.
    Q: How do you guarantee your quality?
    Firstly, we do a quality test during every process. And we use production instruction cards when one process finished, the work will be signed on the production instruction cards. Secondly, we will collect all comments on our products from customers in time. And try our best to improving quality all the time.
    Q: Do you offer samples?
    A: Yes, we do offer samples. However, buyers need to pay for the freight charge. In addition, whether samples are free or not depends on the quantity you buy.
    Q: What kinds of payment do you accept?
    A: In addition to the patterns of payment shown above, you can discuss with us in which way you would like to pay.
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