Backfill Layer Core Barrels Custom Dia 850mm

China made Drilling machinery drilling tools Core Barrel with Roller Bits Rotary Drilling Rig

There are four types of core barrels:

1. Core barrel with bullet teeth is used for cutting an annular ring in rock or concrete(also reinforced concrete).

2. Core barrel with roller bits is used in very strong rock formations(compressive strength > 100Mpa).

3. Core barrel with crossing cutter is mainly used to break rock cores which remain in the borehole after using a core barrel, also suitable for drilling hard, jointed rock(<100Mpa) and for penetrating through layers containing boulders.

4. Core barrel with double shell is used for gravel, boulder, medium weathered rock, inner shell drilling first, the outter follow, cutting ring with rock drilling bits rock;

Feature

1. Cutting ring with rock drilling bits and releases the internal stress of rock；

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

3. Small barrel facilitates the coring operation; large barrel performs stage breaking;

4. Applicable layers: backfill layer, medium weathered rock, bedrock;

Customizable Items

1. Cutting DIA. Custom : design various cutting diameter based on demand, like φ850,φ1150 etc.

2. Shell HIT. Custom : design as demand, prolong or shorten, increase of efficiency by drilling more.

3. Key Component Reinforce Custom : strengthen the key component to extend life cycle;

4. Kelly Box Custom: custom Kelly box size based on the Kelly bar, like 130*130, 150*150,200*200 etc;

5. Teeth No. Custom : encrypt the drilling teeth based on demand etc;

Application

Rock Drilling Core Barrels with Roller Bits adopt the high-carbon steel and special drilling bits angle to keep the drilling strength and efficiency.

Our main products include drilling buckets, augers, core barrels, kelly bars, drilling teeth and holders, double wall casing and casing attachment. These products are acknowledged for their durability, robust construction, corrosion resistance and easy operations.

FAQ

Q: What's the nature of your company?
We are Manufacturer. We have factories all over China, all products posted are produced by ourselves, so we can offer you competitive price while ensuring product quality.

Q: How do you ship your products?
Our goods can be transported by air and sea or per your request.

Q: Does this product support customization?
Yes, due to the fact that we have our own factories, We can customize products per your request.

Q: How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is according to quantity.

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