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Terex Stand Alone Core Barrel

Terex Utilities recently announced a new auger tool for digger derricks: the Terex Stand Alone Core Barrel. It fits directly onto a standard Kelly bar and can be stowed like a standard auger on the boom. When a flighted auger will no longer do the job, the new Terex Stand Alone Core Barrel can increase productivity when drilling hard rock, such as limestone material.

For applications that require drilling to begin at ground level, a removable pilot bit can be used to stabilize the Stand Alone Core Barrel in order to start a hole. Once initial penetration is achieved, the pilot bit can be removed. The optional pilot bit is important for achieving a straight starter track.

In addition, the Stand Alone Core Barrel is designed for easy plug removal, increasing drilling productivity. A unique tooth pattern allows the rock plug to easily fall out of the barrel when the operator ratchets the rotation of the tool. Other core barrels require workers to physically hammer the core out of the barrel.

The Stand Alone Core Barrel is available in various diameters ranging from 18 to 30 inches and features a barrel wall of 5/8 of an inch. The heavy-duty hex hub is either 2-1/2 inches or 2-5/8 inches, and it comes with a Dom ST5 2-3/4-inch shaft. The overall length of the tool is 104 inches. Access to the C-10 bullet teeth provides for easy removal and replacement. www.terex.com/utilities

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Kate Wade

Kate Wade is the managing editor of Utility Fleet Professional and Incident Prevention magazines. She has been employed by Utility Business Media Inc. since 2008.

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