Friends links
|
|
| Picture |
Heading |
Updated |
 |
COP Button Bits
COP Button Bits Roschen ROS series down the hole(DTH) bits has the broadest range of hammers, bits, and related equipment of any supplier in the world. This means more choices for you. It means you can work with the strongest support network in the indust |
2017-08-14 |
 |
Step Type Bits
Step Type Bit Step type bits are the most common type of drag bit used in the world today. They are primarily designed for soft to medium formations. Step Type: Bits are primarily designed for rapid penetration in soft to medium formations such as clay, s |
2017-07-27 |
 |
PQ Casing Advancer
PQ Casing Advancers PQ Wireline Casing Advancers Wireline Coring Systems for Diamond Core Drilling Tools Diamond Core Drilling Tools » Wireline Coring Systems » Wireline Casing Advancers Roschen offers a complete line of wireline casing advancers, in all |
2017-07-23 |
 |
COP DTH Hammer
COP DTH Hammer Hammers Selecting the right hammer The optimum range of hole size for blast hole drilling with DTH is 90 mm to 254 mm (3 ½–10). Smaller blast holes are generally drilled using top hammer, and larger holes generally use rotary machines. In o |
2017-07-02 |
|