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Big size bits using water, China Big size bits using water Manufacturers, Suppliers, Factory - Changsha Friend Industrial Co.,Ltd
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DTH Bits serie

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Big size bits using water


BIG SIZE BITS USING IN WATER WELLS,OIL,GAS AND CONSTRUCTION Min.Order Quantity: 1 Piece/Pieces Supply Ability: 100000 Piece/Pieces per Month Port: Tianjin port/Shanghai port/Guangzhou port Shenzhen/Qingdao Payment Terms: L/C,T/T,Western Union,MoneyGram,Paypal

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Product Details

BIG SIZE BITS USING IN WATER WELLS,OIL,GAS AND CONSTRUCTION

Min.Order Quantity: 1 Piece/Pieces

Supply Ability: 100000 Piece/Pieces per Month

Port: Tianjin port/Shanghai port/Guangzhou port Shenzhen/Qingdao

Payment Terms: L/C,T/T,Western Union,MoneyGram,Paypal

Introduction

We are a professional and experienced integrated  drill enterprise which engages in the design, research,development, manufacturing and marketing of different kinds of product in superior quality, competitive price and perfect service for more than 20 years

Product Description


More detail, welcome to send  Inquiry or Email:   [email protected]

BIG SIZE BITS USING IN WATER WELLS,OIL,GAS AND CONSTRUCTION
 
Item NoTHE Drill Head
Diameter(mm)
NO.Air HolesGauge
Buttons
Front ButtonsWeight(KG)
FR275311311315XØ1836XØ16205
FR275334334318XØ1944XØ18216
FR275356356318XØ1948XØ18225
FR275368368420XØ1950XØ18230
FR275381381420XØ1954XØ19236
FR330381381420XØ1954XØ18297
FR330406406420XØ1958XØ18311
FR330431431420XØ1964XØ18324
FR330445445424XØ2072XØ18334
FR330470470424XØ2080XØ18347
FR475495495424XØ2088XØ118710
FR475525525424XØ20100XØ18760
FR475580580424XØ20116XØ18855
FR475660660428XØ20140XØ19950
FR475680680428XØ20144XØ19968
FR525711711428XØ20154XØ191455
FR525762762432XØ20172XØ191539
FR525780780432XØ20180XØ191564
FR525825825436XØ20216XØ191625
FR525998998440XØ20348XØ191980


More detail, welcome to send  Inquiry or Email:   [email protected]

We can design and manufacture according to customer's requirements of the Bit Dia.,No.of air holes,carbide button shape and the face shape
Our Bit Face Shape Selection
Double Gauge Face——This kind of face shape is suitable for fast penetration rates in medium to hard rock formation.Designed for high air pressures and good resistance to steel wash step gauge bit.dth hammer drill bit / low air pressure tungsten carbide dth drill button bits
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 the load and wear on the gauge buttons,but poor hole deviation control.
Concave Face---The all-round application bit face specially for medium hard and homogenerous rock formations.Good hole deviation control and good flushing capacity.
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.
Drop Center---For high penetration rates in soft to medium hard and fissured rock formations. Low to medium air pressures.Maximum hole deviation control.dth hammer drill bit / low air pressure tungsten carbide dth drill button bits
Our Carbide Button Shape Selection
Spherical/Domed/Round Button are usually used as gauge buttons of DTH Bits, suitable for very abrasive and very hard formations.
Parabollic/Semi-Ballistic Button are usually used as gauge buttons and front buttons of DTH Bits,suitable for medium abrasive and hard formations.
Ballistic Button are usually used as front buttons of DTH Bits, suitable for medium abrasive and medium hard formations. They also can be used as gauge buttons if the rock is soft.
Conical/Cone/Sharp Button are usually used as front buttons of DTH Bits for soft formations where fast penetration rates are possible and button breakage is minimal.


The information you may like to know before order:

1. Methods of Payment:

  T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Handling time for an order

   Within 10 days supplied from stock

3. Shipping way

  Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air

  Bulk order: we suggest by air or by sea.

4. Quality Control

  We have our own experienced QC.

  There will be strict inspection and testing for every order before shipping out.

5. After Sale Services:

  a. Our sales team will response for your question within 24 hours (Holidays Excluded)

  b. Technical Support will be available in any time

  c. Free replacement will provide once the failure confirmed caused by our product quality

Frequently asked questions:

1. How to order the products?

Send the inquiry with detail item description or with Model number. 

2. How about the common packing?

If there is no packing demand, we will take it as sea-way packing. 

3. Can I expect a quality products?

Yes. All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request. 

4. How to check the product are the exact one you want?

If possible, please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding. 

Our dth drill bits advantages:

1.High quality.

2.Competitive price:Cheap price because of direct factory price. 

3.Problems solve ability:This ability comes from rich experiences of drill bits industry.

4.Fast delivery time:usually it takes 25 days for production.only 2 or 3 days if we have stock of your request size.

5.Best quality control:We have our own experienced QC team,there will be strict inspection and testing for every order before shipping out.

6.OEM,ODM service:your own request about product will be served well.

7.Best after service:We will go to your place to check and solve the problems if there

More detail, welcome to send  Inquiry or Email:   [email protected]


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