MoreinformationTophammer Underground Drilling


Bench and production drilling - straight holes

To meet today’s high standards for safety and effectiveness, the straightness and the quality of the blasthole are the key to success. To receive the best overall blasting result, each hole needs to be drilled in the right spot, drilled in the right direction and to the planned depth. Also consider the impact tough geological conditions can mean. Secoroc T-WiZ is designed and adapted to meet these requirements. The T-WiZ thread system translates into a very real boost in productivity. Thanks to the increase in capacity, you’ll be drilling more holes per shift. Which opens up the possibility of quicker blasting and a more rapid advance in bench and production drilling.


Tophammer bits for surface drilling

For years, Atlas Copco Secoroc has been known to have the best shank adapters and drill rods on the market. With Powerbit, we can proudly state that we now also have the best tophammer drill bits around. Welcome to an unbeatable drill string.

Powerbit – new power in tophammer surface* drilling

Powerbit is the all new range of tophammer drill bits for surface drilling from Atlas Copco Secoroc. They’re built to take on any rock, from hard to soft, and from abrasive to non-abrasive. These bits last much longer. They give the drillers more meters before the first regrind, and many more meters between the regrinds. With Powerbit, drillers are guaranteed to get more performance from each bit.

*Some bits within the Powerbit assortment can also be used for underground drilling. The Powerbit range for ST58 and ST68 is only for underground drilling applications.

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Tophammer rods and tubes

Secoroc's rods are manufactured with an own-specified steel grade and cutting-edge heating process, which creates an ideal balance between abrasion resistance and flexibility.

Secoroc Magnum SR and Secoroc TC

More material where it’s needed.

Thanks to our unique patented conical thread systems, we’re confident that rod breakage is a problem you will see a lot less of. More material at the rod end not only strengthens the product, but also minimizes deviation during collaring. The result? Straighter holes and a much longer service life.

The common denominator for both systems is thicker and stronger rods with the same bit diameter as an equivalent R or T threaded system. This means less downtime, straighter holes and greater productivity. In addition, rods and bits are much easier to couple and uncouple.

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Tophammer shank adapters

We produce more than 400 different types of shank adapters for virtually all types of drills. Wear resistance, fatigue strength and resilience to stand up to the bending stress are the key criteria for the selection of material and manufacturing methods.

  • Our shank adapters are made from the high quality steel you have come to expect from us.
  • Atlas Copco Secoroc shank adapters have state-of-the-art treatment that is unique – chroming and phosphating – manufactured to close tolerances.
  • Our rigorous quality controls at all our manufacturing units ensure that our shank adapters live up to your expectations.

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Tophammer couplings and adapters

Atlas Copco Secoroc offers three types of couplings that fit customer requirements – standard, full-bridge, or cross-over coupling, depending on your application.

  • Atlas Copco shank adapters, drill rods and powerful drill bits work perfectly together, providing you with an unbeatable drill string.

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© First Break Mining & Construction Ltd

Auckland 09 918 9803
Christchurch 03 358 0804

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