
DEWALT DW511
Score: 78/100
BLACK+DECKER BEHD201
Score: 74/100Rankings

The DeWalt DW511 is a reliable corded hammer drill featuring a powerful 7.8 Amp motor and ergonomic design for heavy-duty masonry and construction tasks. Its main drawback is the corded design, which limits mobility and requires access to power outlets. It is best suited for professional contractors and DIYers working in areas with easy access to electricity.

The BLACK+DECKER BEHD201 is a corded 6.5-amp hammer drill designed for drilling through tough materials like concrete, stone, brick, and masonry. It features a high 48,000 BPM hammer action and a keyless chuck for versatile household and DIY applications. It is best suited for DIY homeowners and occasional contractors needing reliable power for masonry drilling without battery limitations.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 120 Vbest | |
7.8 Abest | 6.5 A | |
13 mmbest | 12.7 mm | |
— | 48,000 BPMbest | |
| ↓ lower better | 2.4 kg | 1.86 kgbest |
3,000 RPMbest | 2,800 RPM | |
1best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Energy(2) | ||
Power Source | Corded | Corded Electric |
Amperage (A) | 7.8 A | 6.5 A |
Chuck & Bits(2) | ||
Chuck Size (mm) | 13 mm | 12.7 mm |
Chuck Type | Keyed | Keyless |
Ergonomics & Design(1) | ||
Weight (kg) | 2.4 kg | 1.86 kg |
Performance & Speed(2) | ||
No-Load Speed (RPM) | 3000 RPM | 2800 RPM |
Speed Settings | 1 | Variable |
Features & Safety(1) | ||
Operating Modes | Drill/Hammer | Drill, Hammer Drill |


Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the DeWalt DW511 for its robust 7.8-8.5 Amp motor, which delivers high performance up to 3000 RPM, making it ideal for masonry and heavy-duty tasks. Editors note that while it is an older model lacking modern refinements like brushless motors, it remains a reliable choice for professionals who need consistent corded power without battery management concerns.
Everyday consumers frequently praise the drill's powerful performance in tough materials like concrete, noting its fast response and high RPM. Users appreciate the comfort provided by the side handle and trigger, as well as the value for heavy tasks. Common complaints focus on the limitations of the cord restricting mobility, the weight of certain variants feeling heavy overhead, and the outdated keyed chuck design.

Professional reviewers note that the BEHD201's constant power and 6.5-amp motor make it suitable for heavy-duty masonry drilling, outperforming cordless tools in sustained power output despite lacking brushless efficiency.
Search results lack direct user reviews or feedback summaries, so no specific consumer praise or complaints are available from the provided sources. Product pages imply suitability for DIY and repairs based on applications like wood and masonry drilling.

