Fordia offers a selection of locking couplings, the part of the core barrel that is found on the upper part of the outer tube. The locking coupling adapts the core barrel outer tube to the drill rods and locks the head assembly to the outer tube so that the head assembly turns with the outer tube when drilling. It also stabilizes the upper section of the core barrel, minimizing hole deviation and some types can protect the hole diameter if the reaming shell loses its gauge.
Knowledge of your ground conditions will help determine which type of locking coupling will provide the best results.
Conventional
This conventional coupling comes in full hole size and comes equipped with tungsten carbide pads for better stabilization. A good choice for ground where not much deviation is expected.
Hexagonal
Also known as a full-hole coupling, the hexagonal coupling has a circumference that is made of 4-6 sections providing good stabilization. The hexagonal locking coupling is used in conjunction with a full hole outer tube to control bore hole deviation by stabilizing the core barrel.
Heavy duty
This locking coupling comes with a more resistant matrix pad on the body that is embedded with tungsten carbide grit as well as tungsten carbide pads and provides even better stabilization of the core barrel.
| Locking coupling HO/3 standard w/tang | 9469705256 |
|---|---|
| Locking coupling NTW new/s w/key | 9469706773 |
| Locking coupling NO/3/2 std w/tang | 9469705422 |
| Locking coupling HWT/PO new/s | 9469706823 |
| Locking coupling NO standard NTW r/box | 9469706684 |
| Locking coupling HTW hex no drive key | 9469706618 |
| Contact us for more products. | Tel. : 1 800-768-7274 |
When we launched the DiscovOre Prime, we took the DiscovOre core barrel system and streamlined its design to make it even faster. We kept the same safety features, and we even made it lighter so it would be easier to handle. This is a premium product for drilling companies who are focused on performance. The investment in the Prime will bring higher production so that the Prime will pay for itself very quickly. But how quickly?
9 juli 2025
In an earlier blog, we looked at the core barrel assembly, this being the equipment that is used to recover core, and plays a very important role in the diamond drilling operation. The success of an operation depends on retrieving core efficiently and effectively. We looked at the parts of the inner tube of which the head assembly is a part. It is a complex part so it is well worth looking at it in detail.
9 juli 2025
When I talk about new products in this blog, I hate to overpromise. I like to think I provide fair information about what a new product does and why it was developed. The DiscovOre is a new core barrel system that I think really is something different… maybe even revolutionary. It addresses two big issues for drillers, safety and productivity.
