DRILL DMD 300/600 20A SHR

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Diamond coring motors are used with Vac-U-RigŪ and Dymorig diamond core rigs to drill holes into reinforced concrete. This 20 A model features 4.8 hp peak with a 300 rpm or 600 rpm operating speed. The 4079 uses a shear pin to protect gears and motor against overload. Shear pins are easily replaced and extra pins are included with the unit. This unit will handle core bits from 4 to 14 in Dia.