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Acker - Single -Double Tube
Reaming shells containing diamonds either in vertical strips or in the balanced ring design and are available for use with all standard size and "M" design bits and core barrels. Acker reaming shells are also available for core barrels of other makes (Give size, manufacturer, etc. when ordering.)
The reaming shell protects the core barrel from wear and maintains the guage of the hole. Four types of reaming shells are available: The strip type, the balanced ring type, and the carbide insert or hard faced type.
Job conditions and drillers` preference usually dictate the type used.
Acker Standard Carbide Insert Core Bits
The carbide inserts are arranged in a conventional pattern to provide ample inside and outside cutting clearance for coring. This bit is widely used for gumbo tills and soft shales. The new larger inserts increase effectiveness and contribute to longer bit life. The carbides may be resharpened, however, the bit is generally used to destruction.
Large Design DCDMA Carbide Bits Standard and Pyramid Types
At a considerable saving over diamond bits. Acker makes available a very successful quality bit in both carbide insert and pyramid type for drilling soft rock. Carbides are set to provide maximum cutting. There is no salvage to this type bit, therefore, it is run to destruction. There is no salvage value.
