The McL 24C auger boring machine delivers 98,000 pounds of forward thrust and an auger torque of 6,339 lb.-ft. It can install casings from 4 to 24 inches in diameter. It has a 24.6-horsepower ...

The first four tunnel boring machines are coming to New Jersey to build the Gateway rail tunnel. Here's what they do and why ...

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Boring, also called internal turning, is used to increase the inside diameter of a hole. The original hole is made with a drill, or it may be a cored hole in a casting. Boring achieves three things: ...