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The DeWalt DWE402 is a corded 4-1/2 inch angle grinder built around an 11 amp motor that spins at 11,000 rpm. It is aimed at tradespeople and serious DIYers who cut, grind and finish metal, and it competes with grinders from Makita, Bosch and Milwaukee on power and durability features rather than on size. Its standout details are a tool-free wheel change, a one-touch guard that rotates 360 degrees, and auto-off brushes that stop the tool before worn brushes damage the motor. Owners generally rate it as a strong, long-lasting workhorse, though it is heavier and louder than smaller grinders and the corded design limits it to outlets or a generator.
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Owners and reviewers treat the DWE402 as a reliable, powerful grinder that holds up to heavy shop and jobsite use. Most praise its motor and the tool-free guard and wheel change, while complaints center on weight, noise and the lack of variable speed.
The DEWALT DWE402 is a 4-1/2" corded angle grinder with an 11 Amp AC/DC motor that runs at 11,000 RPM. The motor has a high power-to-weight and power-to-size ratio. Oversized brushes last longer, and auto-off brushes shut the tool down when they need replacing, which helps avoid tool damage.
A large spiral bevel gear gives the transmission a long life. The DEWALT Dust Ejection System ejects dust and debris particles that enter the tool, which increases durability.
The 1-touch guard rotates 360° with a single action. The quick-change wheel release lets you remove the wheel without a wrench. The spindle lock button is mounted on top and protected, which maximizes depth of cut without compromising durability.
