Foundation drilling tools

1. Drilling Rigs:

2. Foundation drilling typically begins with the use of drilling rigs. These rigs can be truck-mounted, crawler-mounted, or even designed for specialized foundation construction.

3. Drilling Buckets:

4. Drilling buckets are attached to the drilling rig and are designed for excavating soil during the drilling process. They come in various sizes and shapes depending on the type of soil and the required foundation element.

38mm/30mm(1.5''/1.18'') step shank
JZ70/38-DS01/Z19-42-3	JZ70/38-DS04/Z17-42-3	JZ70/38-DS04-59/Z17-42-3	JZ70/38-DS05/Z22-42-3
JZ70/38-DS05/Z22-42N-3	JZ70/38-DS02/Z22-42-3

1. Augers:

2. Augers are used for drilling holes into the ground. They can be straight or helical and are commonly used for creating boreholes for concrete piles or drilled shafts.

3. Core Barrels:

4. Core barrels are cylindrical tools equipped with cutting teeth. They are used for drilling into hard formations, such as rock or concrete, and are commonly used in the construction of drilled piers.

5. Casing Twisters:

6. Casing twisters are tools designed for the installation and removal of casings in the drilling process. Casings provide structural support and prevent the collapse of the borehole.

7. Kelly Bars:

8. Kelly bars are long, tubular components that connect the drilling rig to the drilling tool. They transmit torque and force to the drilling tool during the drilling process.

9. Rock Augers:

10. Rock augers are designed for drilling in challenging rock formations. They are equipped with durable cutting teeth or carbide bits to handle hard and abrasive materials.

11. Continuous Flight Augers (CFA):

12. CFA augers are used in continuous flight auger piling. They are hollow and have a continuous spiral flight along the length. Concrete is pumped through the hollow shaft as the auger is withdrawn, creating a continuous concrete column.

13. Diaphragm Wall Grab:

14. Diaphragm wall grabs are used in the construction of diaphragm walls, which are structural walls often used as foundation elements. The grab excavates soil while maintaining the stability of the trench.

15. Bentonite Mixing Plants:

16. Bentonite mixing plants are used to prepare bentonite slurry, which is often used in drilling applications to stabilize the borehole and carry away cuttings.

17. Desanders and Desilters:

18. These are used in foundation drilling to separate solids from drilling fluid (mud) to maintain the efficiency of the drilling process.

Foundation drilling tools are essential for creating stable and durable foundations, and their selection depends on the specific geotechnical conditions and the foundation design requirements. Specialized foundation contractors use a combination of these tools to achieve optimal results in various construction projects.