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The Hilti DD 150-U Diamond Coring System allows the operator to drill by hand or with a core stand in wet or dry conditions. It has a 6-in. capacity for drilling a variety of hole sizes. The system can be used on concrete and reinforced concrete as well as brick, concrete block and stone. The DD 150-U's motor has three-speed gearing for optimum drilling speeds. It has a 360 adjustable side handle with integrated dust and water management functions. Further, when used in dry drilling, the DD 150-U is compatible with the Hilti Dust Removal System. Hilti; 918-872-3265; www.hilti.com
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This week we look at new engines for an off-road truck and a two-way satellite communicator. Click on the image to begin the slide show.
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