Diamond coring motors are used with Vac-U-Rig® and Dymorig diamond core rigs to drill holes into reinforced concrete. This 20 amp model features 4.8 peak horsepower with a 300 rpm or 600 rpm operating speed. The 4004 has a clutch to protect gears and motor against overload. This unit will handle core bits from 4 in. to 14 in. in diameter.

• Drill head and handle swivel 360°
• Side handle ensures a secure grip and comfortable, controlled operation
• Heavy duty 1/2? keyed chuck with holder for an industrial hold when fastening and drilling
• Trigger speed control in two ranges: 0 to 335 RPM and 0 to 750 RPM plus reverse