mining and drilling provider and support activities
Rods Hammers Accessories HOW IT WORKS? Blast drilling is carried out to give access to blasting materials that can be used to fragment the rocks, this enabling the removable of there material either as waste or ax ore to go through the crushing plant. Application Used to allow the blasting chemicals to be place forRead more about SURFACE BLASTHOLE DRILLING[…]
The RC swivel can either be either below or above the rotation unit, if below another swivel is required above the rotation unit to allow the sample to enter the sample hose to the cyclone. Different cutting tools are used The delivery system above the Rotation Unit requires a Blow-up/down system to allowRead more about Reverse Circulation ACCESSORIES[…]
Reverse Circulation bits play a key role in sample quality and depth capacity. This is why, the raw material of provided bits by Kobald Mining Services is highly specialized steal which has been forged to remove any voids and improve the mechanical properties. Our bits are also hardened using a carburizing technique to maximize wearRead more about RC HAMMERS & BITS[…]
Kobald Mining Services offers a wide range of premium alloys reverse circulation subs. All subs are designed and manufactured using the latest modern techniques, to maximize performance and durability. Reverse Circulation subs are available in a variety of sizes with Remet/Metzke thread connections, but we can also manufacture for you some custom-made subs. SubsRead more about RC SUBS[…]
Drill pipe makes up a significant percentage of investment in a drilling operation; therefore Kobald Mining services propose high quality rods with ultrasonically inspected welds which allow you to gain a maximum lifetime through a greater wear resistance and in such way to obtain a return on your investment. Independently of the chosen thread, theRead more about RC DRILL RODS[…]
BIT GAUGES Kobald Mining Services’ Steel Ring Gauges (pdf to be inserted) are produced in sizes corresponding to the standard outside set diameters of bits and reaming shells, helping you determine specific measurements of new bits and/or shells. For drillers, it is highly important to check the size before starting drilling in order toRead more about Accessories[…]
With Kobald Mining Services you are sure to work in safe environment. Kobald’s overshot (pdf to be insert) allows the driller to recover the inner tube safely. No need to remember to stop and lock the inner tube assembly in place, gravity automatically does it for you! Available in both standard or rolling styles. AsRead more about Overshots[…]
For Kobald Mining Services Ltd. the design of the inner tube assembly of the core barrel is the key to the wireline system. The locking and unlocking system of the inner tube allows it to be pulled to the surface quickly for removal of the core. From our prospective, the ideal core barrel should haveRead more about WIRELINE CORING SYSTEM[…]
RC Rods RC Subs RC Hammer RC Accessories HOW IT WORKS? In RC drilling, a driller needs to use enough air pressure and rotating force to a drill string composed of a bit, pneumatic hammer assembly and a series of pipe with inner and outer tubes to create percussive energy required to produce rock chipsRead more about REVERSE CIRCULATION DRILLING[…]
Wireline Coring System Diamond bits Rods & Casing Reaming Shells Accessories HOW IT WORKS? Diamond drilling gives a good indication of vein location and structure, but it is not an effective measure of grade. For a better understanding of grade and geological continuity of the vein, the underground development became a key method. The mainRead more about Underground Core Drilling[…]