Milwaukee 4079 Diamond Coring Motor, 300/600 RPM, 20 Amp W/Shear Pin The Milwaukee 4079 Diamond Coring Motor, 300/600 RPM, 20 Amp W/Shear Pin is 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 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 Milwaukee 4079 Diamond Coring Motor, 300/600 RPM, 20 Amp W/Shear Pin will handle core bits from 4” to 14” in diameter.

Milwaukee 4079 Diamond Coring Motor, 300/600 RPM, 20 Amp W/Shear Pin Includes

• (1) Diamond Coring Motor, 300/600 RPM, 20 Amp with Shear Pin(4079)
• (1) Built-In Water Swivel
• (1) Water Control Valve
• (6) Extra Shear Pins
• (1) Open End Wrench
• (1) Water Hose Adapter