The core lifter assembly includes three key parts that allow you to firmly grip the core sample so that it can be broken and brought to the surface. The correct gap between the core lifter, the core lifter case and the stop ring is essential– using the same supplier for all three parts is strongly recommended and will ensure optimal performance.
This ring ensures that the core lifter stays in the core lifter case. It is easily inserted into the grooved space provided in the core lifter case.
Slotted core lifter
The inside of the core lifter is available in a slotted style, which is ideal for competent soil.
slotted and fluted (also known as broached), to ensure a good grip regardless of the ground conditions. A core lifter that is slotted is good for competent soil whereas a fluted core lifter provides better recovery in fractured ground.
Broached core lifter
The core lifter can be purchased in a broached style (also known as fluted), which provides better recovery in fractured ground.
Diamond broached core lifter
Diamond coated core lifter offers superior lifespan and durability. This type of core lifter provides better gripping capabilities.
Core lifter case
The core lifter case is essential when it is time to break the core sample. Its tapered interior prevents the core lifter from moving and allows it to keep its grip on the core sample.