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Milwaukee
Milwaukee Corded 4-1/2-in. SAG PADDLE, NO-LOCK Grinder (6142-31)

Milwaukee Corded 4-1/2-in. SAG PADDLE, NO-LOCK Grinder (6142-31)

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$139.00at Tool NutChecked 2 h ago

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Price facts

  • Lowest price today: $139.00 at Tool Nut (checked Nov 14, 2026).

Our take on the Milwaukee Corded 4-1/2-in. SAG PADDLE, NO-LOCK Grinder (6142-31)

The Milwaukee 6142-31 is a corded 4-1/2 in. small angle grinder built for industrial use. Its 11 amp motor spins at 11,000 rpm and Milwaukee rates it at 1,400 MWO, claiming up to 50% more power and up to 3X more durability than competing grinders. The slim paddle grip is about 2 inches smaller in circumference than rivals, which Milwaukee says means more control and less fatigue over a long shift. Electronics include overload protection, an electronic clutch that limits bind-up, line lock-out against automatic restart after a power loss, and soft start. It is a tool for metalworkers, welders and fabricators who want a light-handling grinder with tool-free guard and accessory changes; the trade-off is that it is corded and has no battery option.

Best forMetalworkers and welders grinding and cutting steelFabricators who change discs and guards oftenIndustrial users running a grinder all dayBuyers who want a slim, low-fatigue grip
Pros
  • 11 amp, 11,000 rpm motor with 1,400 MWO rating
  • Electronic clutch limits bind-up and kickback
  • Overload protection and line lock-out add motor safety
  • Tool-free guard and accessory changes, no wrench
  • Slim paddle grip reduces hand fatigue
Cons
  • Corded only, no battery option
  • Paddle switch with no lock-on, so the trigger must be held
  • Heavier and bulkier than a cordless grinder for overhead work
  • No variable speed control
  • Requires a power outlet near the work

Milwaukee Corded 4-1/2-in. SAG PADDLE, NO-LOCK Grinder (6142-31) prices at every store

  • Tool NutNew

    In stockReturn policy

    $139.00Checked 2 h ago
    Visit Tool Nut

What reviewers say

Owners of Milwaukee's small angle grinders generally praise the power and the slim paddle grip, and many say the tool-free guard and disc changes save time on the job. Complaints center on the paddle trigger needing constant pressure and on the cord limiting where the tool can be used.

What people mention
  • PowerPraisedOwners say the 11 amp motor holds speed through heavy grinding and cutting.
  • GripPraisedThe slim paddle body is called comfortable and less tiring than bulkier grinders.
  • Tool-free changesPraisedThe guard and accessories swap without a wrench, which users say saves time.
  • Paddle triggerCriticisedThe no-lock paddle must be squeezed continuously, which tires the hand on long cuts.
  • CordMixedThe cord delivers steady power but limits where the tool can be used.

About the Milwaukee Corded 4-1/2-in. SAG PADDLE, NO-LOCK Grinder (6142-31)

This is a corded 4-1/2-inch small angle grinder with a paddle switch and no lock-on. It has an 11 amp motor rated at 1,400 MWO and runs at 11,000 RPM. The slim paddle design is meant to give more control and reduce fatigue.

Electronic features include overload protection, an electronic clutch that helps prevent bind-up, line lock-out that stops the tool from starting on its own after a power loss, and soft start. An advanced airflow system reduces debris getting into the motor.

The design is fully tool-free. All accessories, including hubbed products, can be changed without a wrench. The burst-resistant guard is also tool-free and adjustable.

Model
6142-31
Type
Corded small angle grinder, paddle switch, no-lock
Disc size
4-1/2 in.
Power
11 Amp, 1,400 MWO motor
Speed
11,000 RPM
Protection
Overload protection, electronic clutch, line lock-out, soft start
Airflow
Advanced airflow system to reduce debris ingress
Accessory change
Tool-free, no wrench needed, including hubbed products
Guard
Type 27, tool-free, adjustable, burst resistant
In the box
Grinder, flanges, side handle, spanner wrench, Type 27 guard

Questions and answers

What is the difference between the 6142-31 and the 6141-30?
The 6142-31 is the paddle, no-lock version; the 6141-30 is the paddle with lock-on. The no-lock model stops when you release the paddle, which suits users who want the tool to shut off the moment they let go.
Does it accept 4-1/2 in. and 5 in. discs?
It is a 4-1/2 in. grinder and takes 4-1/2 in. Type 27 discs with a 7/8 in. arbor. The included Type 27 guard is sized for 4-1/2 in. wheels.
What comes in the box?
The grinder, flanges, a side handle, a spanner wrench and a Type 27 guard.
Is it good for cutting rather than grinding?
Yes. The 11 amp motor and 11,000 rpm top speed handle cutoff work in steel and masonry with the right wheel, and the tool-free guard adjusts for cutting positions.
Does it have a variable speed dial?
No. It runs at a single 11,000 rpm speed, so for work that needs slower speeds look at a variable-speed grinder.
Can it run on a generator?
It draws 11 amps, so it needs a generator rated well above that to handle startup surge. Soft start reduces the inrush.
Where is the Milwaukee Corded 4-1/2-in. SAG PADDLE, NO-LOCK Grinder (6142-31) cheapest?
At Tool Nut, for $139.00, as of our latest check.

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