FAQS

There are usually 3 types of threads in rock drilling tools: R thead, T thread, and HL thread.

Shank adapter is a connecting part between hydrulic rock drill and drill rod (coupling sleeve). It mainly used to transmits impact force and rotation torque, and delivers water/ai

Shank adapter Atlas Copco owns 5 components mainly: shank end, shank spline, flushing hole, connecting thread, and pistion part.

The shank spline of shank adapter connect with spline couplings which is a part of rock drill.

During drilling operation, the rock drill generates rotational torque. The spline, through its toothed surface, tightly meshes with the drill's transmission components, ensuring a

Minor wear can be repaired. Cracked, deformed or severely worn splines should be replaced for safety.

The center hole inside of shank adapter is called air hole / flushing hole. It's key functions includes: flushing cuttings, cooling the drill bit, lubrication and dust suppression,

Once the spline shows wear, chipping, deformation or cracks, It is not recommended ti continue using or repairing it.

As long as the size and thread are compatiable with your existing drill rods or drilling equipment, definitly, Gdrills' button bits can be used in your existing equipments.

Some of tools are compatiable with Atlas Copco rock drilling, like shank adapter, drill rods, bits. But for any furthur infomations, please talk with sales engineer first.

Some of our tools can replace Sandvik drilling tools, some can't. It depends on exact models and products. Please negotiate with our sales enginner before any order.

Gdrills' drill rods are machined under international standards. Our rods are compatiable with standard international threads.