Home /DeWalt /tools /DEWALT DW4777 5-Inch Double Row Diamond Cup Concrete Grinding Wheel

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tools

DEWALT DW4777 5-Inch Double Row Diamond Cup Concrete Grinding Wheel

Name: DEWALT DW4777 5-Inch Double Row Diamond Cup Concrete Grinding Wheel
Brand: DeWalt
SKU: WOR-TOO-928
Price: 28.8 USD
Availability: InStock
Rating: 4.3 (6 reviews)

4.3 (6)

$57.59 $28.80

The DEWALT DW4777 5-inch double row diamond cup wheel delivers aggressive concrete grinding and long wheel life thanks to high diamond concentration and a heat-treated steel body.

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Pair withDEWALT DW4777T XP Turbo Diamond Cup Wheel, 5-Inch with 5/8-11 Arbor$29.50

Categories : tools

SKU : WOR-TOO-928

Description

The DEWALT DW4777 XP 5-Inch Double Row Diamond Cup Concrete Grinding Wheel is built for fast, aggressive material removal on concrete, masonry, and other hard surfaces. High diamond concentration and large grinding segments on a heat-treated steel body give this wheel the durability to keep working through tough jobs that would wear out lesser cups.

Whether you're smoothing uneven concrete, removing coatings, or prepping a slab for finish, the DW4777 is a dependable choice for contractors and serious DIYers. With a 5/8-11 arbor and a 12,200 RPM max speed, it fits most standard 5-inch angle grinders.

DEWALT DW4777 Diamond Cup Grinding Wheel: Double Row Performance

The double row segment configuration lets the wheel remove material quickly while maintaining a controlled finish. The steel body is heat-treated to resist flexing and breakup under load, so you can bear down without worrying about premature failure.

Selecting the Right 5-Inch Concrete Grinding Wheel

For general-purpose dry grinding on concrete and masonry, the DW4777 hits the sweet spot. It works well for leveling high spots, cleaning joints, and stripping thin coatings. Match it with a 5-inch angle grinder rated for at least 12,200 RPM to get the full performance.

Features

High diamond concentration: aggressive material removal with long wheel life.
Double row segments: faster grinding and smoother finish than single-row cups.
Heat-treated steel body: added durability and resistance to wear.
5/8-11 arbor: fits most standard 5-inch angle grinders.
12,200 max RPM: keeps up with high-speed grinders.
Model: DW4777
Max RPM: 12,200
Diameter: 5 in (127 mm)
Arbor Size: 5/8-11 in
Product Type: Concrete Grinding Wheel
Segment Type: Double Row
Wheel Weight: 0.7 lb (0.32 kg)
Body Material: Heat-treated steel
Seller: Workbench World
MPN: DW4777

Product Details

Getting the Most From Your Diamond Cup Wheel

Let the wheel do the work. Applying excessive pressure can overheat the segments and shorten life. Run the grinder at full speed before contacting the surface, then move in controlled passes.

Double Row vs. Single Row Diamond Cup

Double row wheels like the DW4777 offer faster stock removal and wider grinding area, making them ideal for leveling and cleaning large areas. Single row wheels produce a finer finish but take longer. If you need a roughing tool that still leaves a workable surface, double row is the practical choice.

Frequently Asked Questions

Can this grinding wheel be used wet?

No, the DW4777 is designed for dry grinding. Using it wet can degrade the bond and affect performance.

What angle grinders will this wheel fit?

It fits standard 5-inch angle grinders with a 5/8-11 arbor, including DeWalt, Makita, Milwaukee, and others with that spindle size.

How long will the wheel last?

Wheel life depends on the material being ground, pressure applied, and grinder speed. The high diamond concentration helps extend service life under normal use.

Can I use it on metal?

It is not designed for metal. Use it on concrete, masonry, and stone surfaces only.

Customer Reviews

6

5.0

Alex

Verified

Grinds fast

Grinds fast, less dust.

4.0

Pat

Verified

Removed high spots

I used this on a floor grinder to smooth out a garage floor. It removed the high spots quickly and didn't wear down as fast as I expected. The double row design really makes a difference.

5.0

O. Smith

Verified

One of the best

I've been using diamond grinding wheels for decades, and this one is among the best. The wheel stayed true and didn't shed segments. It ground down concrete with ease. The steel body is heavy duty. I got a full day of use and it still has plenty of life left.

4.0

Zelda

Verified

Worked for patio

Worked well for leveling a patio. It's dusty work, but the wheel itself is great. The only thing is it's a bit grabby at first until it wears in.

5.0

S. Singh

Verified

Aggressive grinder

This wheel is aggressive. It eats through concrete and doesn't clop. I've used it on my angle grinder and it stays balanced. Worth every cent.

3.0

Frank

Verified

It works

It works, but it's very loud and the dust is everywhere. But I guess that's normal. It did smooth my concrete steps.

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DEWALT DW4777 5-Inch Double Row Diamond Cup Concrete Grinding Wheel

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Description

DEWALT DW4777 Diamond Cup Grinding Wheel: Double Row Performance

Selecting the Right 5-Inch Concrete Grinding Wheel

Features

Getting the Most From Your Diamond Cup Wheel

Double Row vs. Single Row Diamond Cup

Frequently Asked Questions

Customer Reviews

Alex

Grinds fast

Pat

Removed high spots

O. Smith

One of the best

Zelda

Worked for patio

S. Singh

Aggressive grinder

Frank

It works

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