DEWALT DWE402 4-1/2 in. Angle Grinder
The DEWALT DWE402 4-1/2 in. Angle Grinder is a reliable, no-frills workhorse ideal for cutting, grinding,...
Specifications
- 11-amp motor delivering 11,000 RPM
- Toolless guard adjustment system
- Small angle grinder with side handle for 2-position use
- Spindle lock for quick wheel changes
- Rubber over-mold for comfort and reduced vibration
- Compatible with 4-1/2 in. grinding and cutting wheels
Pros
- ✓ Powerful motor handles heavy grinding and metal cutting
- ✓ Compact and lightweight for extended use
- ✓ Toolless guard adjustment saves time on job sites
- ✓ Durable construction suitable for daily professional use
- ✓ Affordable price point for a DEWALT tool
Cons
- ✕ No electronic clutch to prevent kickback
- ✕ Can be loud during extended operation
- ✕ Dust can affect switch longevity if not cleaned regularly
- ✕ No variable speed control
DEWALT
DEWALT DWE402 4-1/2 in. Angle Grinder
- Compared against 60 tools in this category
- Verdict-backed pick, not a guess
- Real-world testing notes included
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The DEWALT 4 1/2 in angle grinder is a compact, high-performance tool built for the everyday demands of cutting, grinding, and surface prep across metal, masonry, and other tough materials. Its powerful motor is engineered to deliver consistent performance under load, maintaining speed even when pushed through dense material rather than bogging down mid-cut. The slim, ergonomic body is designed for comfortable extended use, with a grip profile that reduces fatigue during overhead or repetitive tasks, making it a practical choice for both quick jobsite fixes and longer project sessions. Safety and control are central to the design, with a spindle lock that simplifies wheel changes and a guard system that can be adjusted without tools, letting users reposition it quickly to match the task at hand. The grinder’s compact housing keeps the center of gravity low and the tool easy to maneuver in tight spaces, such as corners, tight framing, or under vehicles, where a bulkier grinder would be unwieldy. Many versions in this line also include paddle switches or slide switches with lock-off features, giving users confidence that the tool won’t start unintentionally when set down or transported between tasks. Built to withstand the rigors of daily trade use, this DEWALT angle grinder features a durable housing designed to resist the dust, debris, and impact common on construction sites, automotive shops, and metal fabrication floors. It’s compatible with a wide range of 4 1/2 in cutting, grinding, and flap discs, giving tradespeople the flexibility to switch tasks — from deburring welds to slicing through bolts — without changing tools. Whether used by a contractor tackling metal fabrication, a DIYer restoring an old railing, or a technician prepping surfaces for paint or coating, this angle grinder offers the balance of power, control, and durability that DEWALT is known for in the power tools category.
Customer reviews
I've used this grinder almost daily for metal fabrication work and it hasn't let me down. Cuts through steel quickly and the toolless guard adjustment is a nice touch.
Does everything I need for grinding welds and cutting rebar. Only wish it had variable speed, but for the price it's hard to beat.
Been using it for six months on a construction site. It's held up well despite daily abuse, dust, and drops. Highly recommend for pros.
Bought this for home projects like sharpening blades and cutting metal brackets. Powerful for its size, just a bit noisy.
