The DeWalt DWD520 1/2-inch, 10-amp hammer drill delivers dual-mode power for masonry, wood, and steel, with a 2-speed gearbox and comfortable pistol grip control.
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The DeWalt DWD520 1/2-inch hammer drill is a corded workhorse that earns its place in any toolbox. With a 10-amp motor, it takes on masonry, wood, and steel without bogging down. The patented DeWalt motor design delivers 50% more power and better overload protection than earlier generations, so you can push through tough jobs with confidence.
Drill or Hammer – One Tool, Two Modes
Switch between drill mode for clean holes in wood and steel, or hammer mode for concrete and block. The 2-speed gearbox lets you choose high speed for fast cutting or high torque for larger bits. A 360° locking side handle with soft grip gives you control in any position.
Comfort That Keeps You Working
The soft grip handle and two-finger trigger reduce fatigue during long drilling sessions. The metal gear housing protects the internal gearbox, making this hammer drill ready for daily jobsite use.
Keeping Your Bits Locked in the Chuck
If you notice the bit spinning in the chuck, stop and check the chuck jaws and bit shank for wear. Clean the chuck regularly and always seat the bit fully before tightening. The DWD520's keyed chuck, when kept clean and properly tightened, provides a reliable grip for even the toughest bits.
Features
10-amp motor with 50% more power for demanding drilling
Dual-mode operation: hammer drill or drill
2-speed gearbox for high-speed or high-torque work
360° locking side handle with soft grip
Metal gear housing for jobsite durability
Model: DWD520
Modes: Drill / Hammer Drill
Motor: 10 Amp
Chuck Size: 1/2 in
Side Handle: 360° Locking
Gear Housing: Metal
Product Type: Hammer Drill
Speed Settings: 2
Seller: Workbench World
MPN: DWD520
Product Details
More Power, Less Fatigue
The DWD520's 10-amp motor is built for heavy use. Its patented design delivers more power and overload protection than standard motors, so it keeps going when the job gets tough.
Two Gears for Any Job
Use gear 1 for high-torque drilling and driving, gear 2 for fast drilling in lighter materials. The switch is right at your thumb.
Stay in Control
The 360° locking side handle lets you position your hand anywhere. The soft grip and two-finger trigger reduce strain, whether you're overhead or in a tight corner.
Built for the Jobsite
A metal gear housing and rugged construction protect the internal mechanism from drops and debris. This is a drill you can count on daily.
Keep the Chuck in Top Shape
For reliable bit retention, clean the chuck jaws after dusty jobs and tighten the chuck key until it locks. If you ever see a bit spinning, stop and check the chuck before continuing.
Frequently Asked Questions
Why is the bit spinning in the chuck on my DWD520?
Usually the chuck is not tightened enough, or the chuck jaws or bit shank are worn. Clean the chuck, seat the bit fully, and tighten the chuck key firmly. If slipping continues, inspect the chuck for damage and contact support for repair options.
Does the DWD520 have a keyed or keyless chuck?
It has a keyed chuck, which provides a strong, secure grip on round and hex shank bits when tightened with the included chuck key.
Can this drill be used for driving screws?
Yes. The variable speed trigger and forward/reverse switch allow for controlled screwdriving, and the 2-speed gearbox gives you the torque needed for larger fasteners.
What materials can the DWD520 drill into?
It can drill into wood, steel, masonry, and concrete when set to the appropriate mode and fitted with the correct bit.
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Customer Photos
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Customer Reviews
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★★★★★★★★★★5.0
Sully
Verified
Powerful
Powerful drill.
★★★★★★★★★★5.0
Jamie
Verified
Worked great
Drilled into concrete for the first time. It worked better than I thought.
★★★★★★★★★★5.0
James Brown
Verified
Solid hammer drill
I needed a corded hammer drill for occasional masonry work. This one is solid. The dual-mode switch is easy to use, and the 2-speed gearbox gives good control. The pistol grip is comfortable, even with gloves. It's heavy, but that's expected for a 10-amp tool. It drilled through brick and mortar without bogging down. The chuck holds bits securely. Good value for the money.
★★★★★★★★★★4.0
Cindy
Verified
Good but heavy
This drill is a workhorse. Cuts through wood and steel easily. The keyless chuck is convenient.
★★★★★★★★★★5.0
Tom Scott
Reminds me of old days
I've had many drills in my life, and this one ranks high. It's built like the tools of my youth, no plastic junk. The power is excellent, I used it to mix thinset. The variable speed switch takes some getting used to, but I like it. It's a bit heavy for overhead work, but that's the name of the game. I'd recommend it.