Core barrel is used for cutting annular ring in rock, concrete and in steel reinforced concrete; consequentially the centre core can be broken using rock auger or cross core barrel. Using core barrel is possible to increase considerably pressure and torque on the cutting ring which can be equipped with different type of roller bits.

Advantages:

Cutting Structure

1---Reaming bit mainly consists of four or more cones.

2---Main cutting tooth is Tungsten Carbide insert tooth and steel tooth welded new-type wear- resistant alloy.

3---High quality tungsten carbide tooth of new formula and new technique increases the service life of reaming bit.

4---The pilot is roller cone bit or drag bit.

• Seal and Lubrication

1---The bearing seal applys high performance O-ring seal or metal sealed bearing and imported lubrication grease special for bit.

• Product Predominance

1---.It is applied in the big size casing well section, mining and infrastructure building drilling.
2---.core barrel with roller bits is used in very strong rock formations(compressive strength>100Mpa).
3---.Rock Drilling Core Barrels with Roller Bits adopt the high-carbon steel and special drilling bits angle to keep the drilling strength and efficiency.

Pictures of Core Barrel with Roller Bits

Related Products

Jobsite

1.Packing type:normal package,also be packaged according to customer requirements.

2.Modes of transportation:by sea, by air or land transportation,Of course,a small amount can also by Express.

1.We will keep track of each customer to get the feedback of product quality and service. And we will make an amendment according to your feedback.
2.If the product size is wrong, we will send the right one freely.
3.We guarantee the high quality. Please feel free to contact us if you found any damage. We will solve the problems ASAP.

Company Profile

Hunan Kellyway Machinery Co., Ltd was founded by the main team which is with up to ten years’ experience on foundation works and piling machinery. Kellyway is committed to manufacture and supply most reliable and highest cost-performance products for piling works including Kelly Bars, Drilling Tools and Drilling teeth. Kellyway is working on provide the one-stop piling solutions for our domestic and global customers and we are dedicated to be your best partner for your piling works from China.

1. What is the quality control for your products?

Answer: All of our production are in lines of API rules and ISO9001:2015 strictly, from signing contract , to raw materials, to each production processes, to product finish, to after-sale service, each processes and sections are in accordant with standard.

2. About lead time,payment terms, delivery ?

Answer: We always have regular models available in stock, prompt delivery is one of our advantages. Mass production depends on quantity of order.

We accept all regular payment terms including L/C, T/T, etc.

We are nearby airport and seaport of Shanghai, Tianjin, Shenzhen , Qingdao, fast and very economical inland charges.

3. Can you produce according to special requirement?

Yes, we can produce products as required.

4. After Sale Services:

a. Our sales team will response for your question within 24 hours

b. Technical Support will be available in any time

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