Rotary Rig Drilling Tools Core Barrel with Roller Bits for Civil Engineering

Feature

1. Kelly Box size 100;150;200mm；

2. Roller Bits are API Certificated, complete of bearing and carbibe insert;

3. 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

Suitable for Bauer, Sany, Xcmg, Soilmec, Mait, IMT,etc.

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;

FAQ

Q: What is the advantages of our products?
We are Factory. We use super quality raw material, which makes the drilling tools more durable and our drilling tools with competitive
price. No matter you are dealers or end user, you will get the biggest profit.

Q: What does your company make?
The main products of our company include drilling bucket, core barrel, auger, casing series, kelly bar, kelly bar accessories, soil teeth, roller bits, pilot bits, bullet teeth.

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.