What is the difference between this and a variable-speed grinder?

This grinder runs at one fixed speed up to 12,000 RPM. A variable-speed model lets you dial down RPM for polishing, flap-disc finishing or working delicate material, which this one cannot do.

Is it good for cutting rebar and masonry?

Yes. The 9-amp motor and 12,000 RPM top speed handle cutoff work in steel, rebar and masonry with the right wheel. For long, continuous cutting in thick steel, a larger grinder with more amps will hold speed better.

What comes in the box?

The grinder, a side handle, a spanner wrench and the manual, plus a grinding guard and a cutting guard. You supply the wheels.

Does it have a brake or soft start?

No. It has a slide switch and spindle lock but no electronic brake or soft-start, so the wheel spins down on its own after you switch off.

Homeowners, hobbyists and light fabrication shops doing occasional cutting, grinding and rust removal. Daily heavy industrial grinding calls for a more powerful, vibration-damped grinder.

Performax 9-Amp Corded 4-1/2 in. Slide Switch Angle Grinder

Best price now

$27.99at MenardsChecked Nov 2

Prices are checked against each store and labelled with when.

Visit Menards

Performax 9-Amp Corded 4-1/2 in. Slide Switch Angle Grinder

Best price now

$27.99at MenardsChecked Nov 2

Prices are checked against each store and labelled with when.

Visit Menards

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Price facts

Last seen at $27.99 at Menards on Nov 2.

Our take on the Performax 9-Amp Corded 4-1/2 in. Slide Switch Angle Grinder

The Performax 9-Amp Corded Angle Grinder is a corded 4-1/2 in. grinder with a 9-amp motor rated to 12,000 RPM. It uses a slide switch for continuous running, a two-position side handle and a tool-free adjustable guard, and it takes standard 4-1/2 in. wheels on a 5/8 in.-11 spindle. That puts it in the same class as other 9-amp corded grinders, with the slide switch and tool-free guard as its main conveniences. It suits home-shop and light fabrication work in metal and masonry rather than all-day industrial use.

Best forHome shop and garage metalworkCutting and grinding steel, rebar and masonryRust removal, weld cleanup and deburringBuyers who want a corded grinder with a slide switch

Pros

9-amp motor rated to 12,000 RPM for fast material removal
Slide switch holds the tool running for long passes
Two-position side handle for better control
Tool-free adjustable guard repositions without a wrench
Spindle lock speeds up wheel changes
Takes common 4-1/2 in. wheels, flap discs and wire wheels on a 5/8 in.-11 spindle

Cons

Corded, so it needs an outlet or extension cord
No variable-speed dial; one fixed speed
No soft-start or anti-vibration handle
9 amps is mid-tier power for heavy continuous grinding

Performax 9-Amp Corded 4-1/2 in. Slide Switch Angle Grinder prices at every store

MenardsNew
Availability unknown
$27.99Checked Nov 2
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Performax 9-Amp Corded 4-1/2 in. Slide Switch Angle Grinder price history

Lowest price we've seen: $27.99 on Nov 2 at Menards. Tracked across 1 store since Nov 2.

From Menards

9-amp motor delivers up to 12,000 RPM for fast material removal
Slide switch for convenient continuous operation
Two-position auxiliary handle for improved comfort and control
Spindle lock button for quick and easy accessory changes
Tool-free adjustable wheel guard for quick positioning
Compatible with standard 4-1/2 in. wheels, cutoff wheels, flap discs, wire wheels and cup brushes with 5/8"-11 spindle

Guarantee: 2-year manufacturer's limited warranty
Returns: Regular Return policy
In the box: Angle grinder, Side handle, Spanner wrench, Manual

About the Performax 9-Amp Corded 4-1/2 in. Slide Switch Angle Grinder

The Performax 9-Amp Corded 4-1/2 in. Slide Switch Angle Grinder is made for cutting, grinding, deburring, rust removal, weld cleanup and surface preparation. It works on metal, steel, masonry and other construction materials. The 9-amp motor delivers up to 12,000 RPM for fast material removal.

A slide switch allows continuous operation. The auxiliary handle has two positions for better handling, and a spindle lock button makes accessory changes quick. The wheel guard adjusts without tools. The compact, ergonomic design helps reduce fatigue during extended use.

The 5/8"-11 spindle accepts standard 4-1/2 in. grinding wheels, cutoff wheels, flap discs, wire wheels and cup brushes.

Power: 9-amp corded motor
Speed: Up to 12,000 RPM
Wheel size: 4-1/2 in.
Spindle: 5/8"-11
Switch: Slide switch for continuous operation
Handle: Two-position auxiliary side handle
Guard: Tool-free adjustable wheel guard
Compatible accessories: Grinding wheels, cutoff wheels, flap discs, wire wheels, cup brushes
In the box: Angle grinder, side handle, spanner wrench, manual; grinding guard and cutting guard

Questions and answers

What is the difference between this and a variable-speed grinder?: This grinder runs at one fixed speed up to 12,000 RPM. A variable-speed model lets you dial down RPM for polishing, flap-disc finishing or working delicate material, which this one cannot do.
What wheels fit it?: It takes standard 4-1/2 in. wheels with a 5/8 in.-11 arbor: grinding wheels, cutoff wheels, flap discs, wire wheels and cup brushes. The included guards cover both grinding and cutting wheels.
Is it good for cutting rebar and masonry?: Yes. The 9-amp motor and 12,000 RPM top speed handle cutoff work in steel, rebar and masonry with the right wheel. For long, continuous cutting in thick steel, a larger grinder with more amps will hold speed better.
What comes in the box?: The grinder, a side handle, a spanner wrench and the manual, plus a grinding guard and a cutting guard. You supply the wheels.
Does it have a brake or soft start?: No. It has a slide switch and spindle lock but no electronic brake or soft-start, so the wheel spins down on its own after you switch off.
Who is it for?: Homeowners, hobbyists and light fabrication shops doing occasional cutting, grinding and rust removal. Daily heavy industrial grinding calls for a more powerful, vibration-damped grinder.
Where is the Performax 9-Amp Corded 4-1/2 in. Slide Switch Angle Grinder cheapest?: At Menards, for $27.99, as of our latest check.