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Product Details

The 6089-31 7"/9" 15.0 Amp ROTO-LOK® - Large Angle Grinder (No Lock-on) delivers performance and durability for the most difficult grinding jobs. The 15 Amp, 4.2 HP motor provides high overload protection and power for the toughest jobs. 9-Position rotating main handle makes it easier to control the grinder in all orientations. The tool-free burst resistant guard allows the user to quickly adjust the guard without the use of a tool. Both a 7" and 9" Type 27 grinding guard are included for greater productivity.


  • 15.0 Amp, 4.2 HP Motor- high overload protection and power for difficult applications
  • 6,000 RPM- optimal wheel speed for material removal
  • 9-Position Rotating Handle-allows the user to adjust the main handle for better control
  • Debris Baffles- protect internal components by deflecting damaging debris out of the airflow at the intake vents
  • External Brush Doors- reduces service time by providing easy access to brushes
  • Soft-Grip Main Handle- provides better control and comfort
  • Tool Free, Burst Resistant Guard- quickly adjust the guard without a tool
  • 7" & 9" Type 27 Guard Included- for added productivity
  • Compatible with multiple Grinder Guards and Flanges. See cross-reference guide below.


Voltage 120 AC/DC
Tool Warranty 5 Years
No Load Speed 6000 RPM
Cord Type 2-Wire
Cord Length 8'
No Load RPM 6,000
Amps 15
Spindle 5/8"-11
Construction Type Double Insulated
Soft Grip Handle Yes
Max HP 4.2
Adjustable Handle Yes
Wheel Diameter 7"/9"
Burst Resistant Guard Yes
Easy Acutuation Spindle Lock Yes
Epoxy Motor Protection 25 Longer Lasting
Exhaust System Multi-Port
Gears Spiral Bevel
Max Watts Out 3130 MWO
Spindle Thread 5/8"-11
Use Wheels RPM Above 6600 RPM

Model Options

The variations of this product are shown below. Not all product variations may be available from your local Authorized Milwaukee Distributor or Online Retailer. Please contact the distributor or retailer for availability.

Product 15 Amp 7"/9" ROTO-LOK® -Large Angle Grinder w/ Lock-on 15 Amp 7"/9" ROTO-LOK® - Large Angle Grinder (Non Lock-on)
Cat # 6089-30 6089-31

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