DeWalt DWE4557 7-Inch 4.7 HP Heavy-Duty Angle Grinder The DeWalt DWE4557 7-inch angle grinder provides aggressive stock removal and heavy-load speed maintenance via a 15.0 amp 4.7 HP motor delivering up to 8,500 RPM. Engineered with an integrated Dust Ejection System and automatic turn-off brushes, it prevents abrasive particulate ingress to maximize motor and brush longevity. Its low-profile gearcase, anti-vibration trigger handle, and 3-position side grip ensure controlled maneuvering and reduced operator fatigue across industrial metal fabrication and masonry prep. Best Used For: Heavy Weld Seam Grinding: Leveling thick bead welds and beveling structural plate joints rapidly in steel fabrication shops. Structural Steel Cutting: Sectioning heavy-gauge steel beams, thick-walled pipes, and rebar on industrial construction sites. Concrete and Masonry Surfacing: Stripping epoxy coatings, smoothing uneven concrete slabs, and tuck-pointing mortar joints with diamond cups. Key Performance & Safety 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. 3-Position Side Handle: Offers multiple gripping points for better leverage and improved ergonomics. What's Included (1) DeWalt DWE4557 7-Inch High Power Angle Grinder (1) 7-Inch Protective Guard (1) 3-Position Anti-Vibration Side Handle Technical Specifications Manufacturer DeWalt Model Number DWE4557 Motor Horsepower 4.7 HP Current Rating 15.0 Amps Maximum Speed 8,500 RPM Wheel Diameter 7.0 Inches Spindle Thread 5/8 in - 11 UNC Operating Voltage 120V AC/DC Switch Configuration Trigger with Lock-On Option Tool Net Weight 11.6 lbs Gearcase Profile Low-Profile Aluminum Alloy Pro-Tip: Regularly check that the dust ejection intake vents remain unobstructed during masonry grinding to ensure uninterrupted cooling airflow to the motor windings.