5 - 17 Inch Water Well Drilling Tools Step Drag Bit For Wild Range Drilling

5 - 17 Inch Water Well Drilling Tools Step Drag Bit For Wild Range Drilling

Application

Other than PDC bits, Drag Bits have the lowest cost per bit. Drag bits are a rotary drill bit built with a steel body and tungsten carbide teeth. These bits will out preform other more expensive bits if used appropriately. Drag bits are extremely popular choice for seismic drilling, blast hole drilling and geothermal drilling applications. For best results adjust the rotational speed to 50% less than what you would normally use for a tricone bit of the same size and reduce the weight on bit by the same amount.

Our Drag Bits Range in size from 3-5/8”(92mm) to 12 1/4″(311.2mm) with a 7 5/8″ API REG PIN

action when rotated. They are comparatively inexpensive due to the lack of moving parts and they can penetrate softer formations such as stiff clays and mudstones very quickly.The drag bit usually used in very soft to medium formation when the dth hammer as the tricone bit, lose of their effectiveness.The cleaning of the hole is realized by the injection of air or water.

Characteristics

1. Drag bits are made according to API standard or NROD thread standard or others.
2. Various step and chevron drag bits are available from 3 inch to 24 inch.
3. There is very good feedback because of the quality and price.
4. Different drag bits can be made according to your drawings or samples.

Specification

Packing& Delivery

FAQ
1. Shipping time for an order
We have many stock. As usual, we can delivery the goods as soon as we get the full payment.
2. Quality Control
Strict inspection and testing for every order before shipping out .
3. How can we trust your company?
We support Alibaba trade insurance. Protect products quality, shipment on time and your covered amount.
4. After Sales Service
Free replacement will provide once the failure confirmed caused by our product quality.

Beijing Jincheng Mining Technology Co.,Ltd(JCDRILL) located in Beijing,China, for more than 20 years we have specilized in research, development and produce of rock blasting drilling rig, water well drilling rig, diamond core drilling rig, anchor drilling rig, and relative accessories & drilling services. constantly provide professional drilling solutions for all customers with our advanced technology, excellent equipment, strict testing means and perfect service network, which establish our brand “JCdrill” a good image of market, now, JC products account for 50% of domestic market and have been export to more than 40 countries, and we awarded ISO9001: 2000 in November, 2002.

Now, our factories for rock blasting drilling rig, water well drilling rig, diamond core drilling rig, anchor drilling rig, and relative accessories occupy an area of 9625 square meters with more than 500 employees, including twenty six engineers from Ingersoll Rand and former Xuanhua Mining Machinery company, with excellent technology and solid market service capabilities, we have both a sound marketing system and excellent service support system, which help us win confidence of customers both at home and abroad. Meanwhile, we are agent of movable double screw air compressor of Atlas Copco,Sullair, Liutech,by which ,we can provide drilling rig users with high quality professional air compressor solution and relative after-sales service also.

JCdrill will always focus on the strategic conception of “Survival by quality, Development by credit’’, to provide users with high quality drilling solutions.In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.

We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.