A studio product view of the DEWALT DWE4557 7-inch high-power angle grinder. The image displays the heavy-duty corded tool from a three-quarter perspective, highlighting the signature yellow motor housing, the 7-inch protective black guard, and the ergonomic rear trigger handle designed for professional industrial metalworking.
A side profile photograph of the DEWALT DWE4557 4.7 HP angle grinder. This view showcases the long, streamlined design of the tool, featuring the anti-vibration trigger handle, a side-mounted auxiliary handle for increased leverage, and the integrated Dust Ejection System air intake vents.
A close-up photograph of the DEWALT angle grinder's rear handle and trigger mechanism. The image highlights the soft-grip anti-vibe handle and the oversized trigger switch with a safety lock-on button, emphasizing user comfort and control during extended material removal tasks.
An alternative close-up view of the DEWALT DWE4557 trigger handle. The shot focuses on the ergonomic contouring of the yellow and black housing, illustrating the tool's specialized design for reducing vibration and hand fatigue in heavy-duty construction environments.
A detailed product view of the DEWALT 3-position side handle included with the DWE4557 kit. The handle features a black rubberized grip with the DEWALT logo and a yellow vibration-dampening ring at the base to improve operator safety and accuracy during grinding.
A technical cutaway view of the DEWALT 4.7 HP angle grinder. The internal components are exposed to show the high-performance motor, the large spiral bevel gears, and the advanced Dust Ejection System fan, illustrating the heavy-duty engineering that provides 8,500 RPM of power.
A reversed technical cutaway view of the DEWALT DWE4557. This detailed infographic highlights the internal electrical wiring, motor brushes, and cooling system, demonstrating the tool's industrial-grade durability and efficient AC/DC power management.
DEWALT® Product Guides - Grinder Basics promotional how to video
A studio product view of the DEWALT DWE4557 7-inch high-power angle grinder. The image displays the heavy-duty corded tool from a three-quarter perspective, highlighting the signature yellow motor housing, the 7-inch protective black guard, and the ergonomic rear trigger handle designed for professional industrial metalworking.
A side profile photograph of the DEWALT DWE4557 4.7 HP angle grinder. This view showcases the long, streamlined design of the tool, featuring the anti-vibration trigger handle, a side-mounted auxiliary handle for increased leverage, and the integrated Dust Ejection System air intake vents.
A close-up photograph of the DEWALT angle grinder's rear handle and trigger mechanism. The image highlights the soft-grip anti-vibe handle and the oversized trigger switch with a safety lock-on button, emphasizing user comfort and control during extended material removal tasks.
An alternative close-up view of the DEWALT DWE4557 trigger handle. The shot focuses on the ergonomic contouring of the yellow and black housing, illustrating the tool's specialized design for reducing vibration and hand fatigue in heavy-duty construction environments.
A detailed product view of the DEWALT 3-position side handle included with the DWE4557 kit. The handle features a black rubberized grip with the DEWALT logo and a yellow vibration-dampening ring at the base to improve operator safety and accuracy during grinding.
A technical cutaway view of the DEWALT 4.7 HP angle grinder. The internal components are exposed to show the high-performance motor, the large spiral bevel gears, and the advanced Dust Ejection System fan, illustrating the heavy-duty engineering that provides 8,500 RPM of power.
A reversed technical cutaway view of the DEWALT DWE4557. This detailed infographic highlights the internal electrical wiring, motor brushes, and cooling system, demonstrating the tool's industrial-grade durability and efficient AC/DC power management.
DEWALT® Product Guides - Grinder Basics promotional how to video
DEWALT

DeWalt 7-Inch 4.7 HP Angle Grinder DWE4557 8,500 RPM Dust Ejection System Vibration Control Quick-Change Guard AC/DC Power

In stock
SKU: DWE4557
$221.99 USD
$229.00 USD Sale $221.99 USD

Description

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Industrial Grinding Dominance: High-Output 4.7 HP 7-Inch Angle Grinder with Dust Ejection and Advanced Vibration Control

The DEWALT DWE4557 7-Inch Angle Grinder is a professional-grade powerhouse engineered for the most demanding material removal applications. Driven by a massive 4.7 HP motor delivering up to 8,500 RPM, this tool provides the highest power-to-weight ratio in its class. Whether you are grinding down heavy welds, cutting structural steel, or performing intense surface preparation, the DWE4557 maintains higher operating speeds under load to ensure maximum productivity. The specialized low-profile gearcase allows you to access tight corners and restricted spaces without sacrificing the industrial torque required for the job.

Built for long-term durability on the toughest jobsites, this grinder features DEWALT’s innovative Dust Ejection System™, which clears damaging debris from the air intake to prevent motor abrasion and extend brush life. To ensure operator comfort during extended use, the tool is equipped with an Anti-Vibe trigger handle and a 3-position side handle, significantly reducing vibration fatigue. With a heavy-duty "S" style cord designed to withstand shop abuse and automatic turn-off brushes that protect the motor from damage, the DWE4557 is the definitive choice for mechanical contractors, ironworkers, and concrete professionals.

Key Features

  • Maximum Motor Power: High-output 4.7 HP motor with overload protection for aggressive material removal.
  • Dust Ejection System™: Diverts harmful dust and debris particles away from the motor to increase longevity.
  • Anti-Vibe Trigger Handle: Ergonomically designed to dampen vibration and reduce user fatigue during long shifts.
  • 8,500 RPM Performance: Optimized speed for 7-inch grinding wheels to provide clean and efficient results.
  • Automatic Turn-Off Brushes: Shuts down the tool when maintenance is required to prevent internal motor damage.
  • Low-Profile Gearcase: Slim design enables precision work in cramped or confined work areas.
  • 3-Position Side Handle: Offers multiple gripping points for better leverage and improved ergonomics.

What's Included

  • (1) DWE4557 7-Inch High Power Angle Grinder
  • (1) 7-Inch Protective Guard
  • (1) 3-Position Anti-Vibration Side Handle

Specifications

Horsepower 4.7 HP
Maximum Speed 8,500 RPM
Amperage 15.0 Amps
Wheel Diameter 7 Inches
Arbor Size 5/8" - 11 UNC
Net Tool Weight 11.6 lbs
Voltage 120V AC/DC
Switch Type Trigger with Lock-on
Spindle Lock Yes
Package Length 24.2 Inches
Package Height 10.0 Inches
UPC / Barcode 885911278379

Pro-Tip: To extend the life of your motor and gearset, let the 8,500 RPM speed do the work rather than leaning into the tool. Forcing a 7-inch grinder can lead to glazing the wheel and excessive heat buildup; a light, steady touch allows the 4.7 HP motor to clear material efficiently while keeping the workpiece cool.