The Milwaukee 4090 Diamond Coring Motor, 375/750 RPM, 15 Amp with Shear Pin provides core drilling power where 20 amp service is unavailable. This unit has a 375 rpm or 750 rpm operating speed. The 4090 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 2-1/2 in. to 8 in. in diameter.
Two speeds: 375 and 750 rpm
15 amp motor
Shear pin protection protects gears and motor
Built-in water swivel
Voltage 120 AC
Amps 15.0
No Load RPM Low=375/High=750
Motor Protection Shear Pin
Spindle 1-1/4"-7
Plug Type L5-20P
Max Capacity in Concrete 8"
Max HP 2.5
Sugg Dia In Med Aggregate 5 in.-8 in. / 2-1/2 in.-5 in.
Tool Weight 26.0 lbs.
Shipping Weight 30.0 lbs.
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