Hard Rock Drilling 1200mm Diameter Bullet Teeth Core Barrel , Drilling Bucket

Characteristics:

♥ Cutting ring with roller bits and releases the internal stress of rock;

♥ Drilling with the method of rolling and squeezing can increases the anti-wear ability of the barrel; 

♥ Small barrel facilitates the coring operation; large barrel performs stage breaking; 

♥ Applicable layers: medium or slightly weathered rock, hard or superhard bedrock; 

Product Details: 

• 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 bullet teeth.

Main Applications: gravel, boulder and medium mantle rock

1.Diameter:600~3000mm
2.Shell length:800~1200mm
3.Shell thickness:20~30mm

• Cutting Structure

Reaming bit mainly consists of four or more cones. Main cutting tooth is Tungsten Carbide insert tooth and steel tooth welded new-type wear- resistant alloy. High quality tungsten carbide tooth of new formula and new technique increases the service life of reaming bit. The pilot is roller cone bit or drag bit.

• Seal and Lubrication

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.

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.

Q1. How long have you been in this business?

       Over 10 years experience.

Q2. Do you accept sample order?
       Yes sure, please contact us for details.

Q3. How about your after-sales service?
        We offer promote technology support for all problems and questions. 

      Besides, we accept goods return or replace for quality problem.

Q4. How does your company control the quality?

       Quality first. In order to guarantee high quality for our products.

       Kellyway makes a serious inspection for all products and raw materials in strict procedure.   

Our service

  1. Prompt delivery
  2. Best after-sale service
  3. The products could be produce according to customer's requirements
  4. Inquiries are typically replyed within 24 hours