The new Ridgid 18V cordless hammer drill delivers up to 1,250 in-lbs of max torque, and is said to deliver up to 25% faster drilling compared to the brand’s R860012 hammer drill/driver. The new drill features anti-kickback technology, which prevents over-rotation in bind-up situations.
[pdf] A complete range of accessories for large diameter drill rigs, including kelly bars, CFA augers, drilling equipment and tools, designed to support the full spectrum of large diameter drilling methodologies in all types of soil.
[pdf] A down-the-hole drill, usually called DTH Drilling Rig, is basically a mini jackhammer screwed on the bottom of a drill string. The speedy hammer activity breaks hard stone into little flakes and dust and can be dismissed evident by the air exhaust in the DTH hammer.
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