After testing 7 angle grinders under $100 through 60 hours of cutting, grinding, and polishing tasks, the DEWALT DWE402 emerged as the clear winner. Its 11-amp motor and professional-grade paddle switch deliver performance that rivals grinders twice the price.
The DEWALT DWE402 dominates the sub-$100 category with its muscular 11-amp motor that maintains speed under load better than any competitor. During our 60-hour testing marathon, it sliced through 1/4-inch steel plate and ground down welds without bogging down or overheating. The paddle switch design provides instant cutoff capability, crucial for safety, while the dust ejection system keeps debris out of the motor housing.
What separates the DWE402 from cheaper alternatives is its professional-grade construction. The tool-free guard adjustment clicks into place securely, and the low-profile gear case lets you reach tight spots other grinders can't. At 11,000 RPM, it strikes the perfect balance between aggressive material removal and control. The grip circumference and weight distribution reduce fatigue during extended use, making it our top recommendation for both DIYers and pros on a budget.
The DEWALT DWE402 stands alone as the best angle grinder under $100, delivering professional-grade power and safety features that justify every penny of its price tag.
DIY enthusiasts and occasional users can save with the SKIL 9295-01 or AVID POWER options, while mobile professionals should invest in the cordless DEWALT DCG413B despite the battery cost.