DeWalt 20V MAX 1/2 in. Hammer Drill (Tool Only)

20V MAX 1/2 in. Hammer Drill (Tool Only)

Features

  • Brushless motor
  • Compact head length (6.93 in.) for improved access in tight spaces
  • Hammer mode suitable for concrete and masonry
  • Two-speed range with variable speed trigger
  • 1/2 in. metal ratcheting keyless chuck for high bit retention
  • On-tool LED work light
  • Belt hook included
  • Battery and charger sold separately

Specifications

Beats Per Minute 28050
Chuck Capacity [In] 0.5
Chuck Size [In] 1/2
Chuck Type Keyless (metal ratcheting)
Variable Speed Yes
Brushless Yes
Max Power (Uwo) 543
No Load Speed [Bpm] 0-28050
No Load Speed [Rpm] 0-450 / 0-1650
Number Of Clutch Positions 15
Power Source Cordless
Product Length [In] 6.93 (tool head length only)
Product Height [In] 7.88
Product Width [In] 2.49
Product Weight [Lbs] 2.49
Product Weight [Oz] 39.84
Includes Belt hook
Warranty 3 Year Limited Warranty; 1 Year Free Service; 90 Days Satisfaction Guaranteed
Note Battery and charger sold separately

Brushless 20V cordless 1/2 in. hammer drill designed for drilling in concrete, masonry and general drilling tasks. Compact head length (6.93 in.) for working in tight spaces. Includes on-tool LED work light and belt hook. Battery and charger are sold separately.

Model Number: DCD798B
View Manual

DeWalt 20V MAX 1/2 in. Hammer Drill (Tool Only) Review

4.5 out of 5

I spent the past few weeks keeping a compact DeWalt 20V hammer drill on my belt, running it through framing, cabinet install, tapcon anchors, and a handful of metal-drilling chores. It’s a bare tool—battery and charger sold separately—so I paired it with a couple of 2.0Ah and 5.0Ah packs from my kit to see how it behaved in different scenarios. The short version: it’s a nimble, strong drill that favors control and access over sheer top-end speed, and it’s very comfortable to live with day to day.

Build, size, and ergonomics
The first thing I noticed is the head length. At 6.93 in., the drill sneaks into tight back-of-cabinet spots and between studs where bulkier hammer drills become knuckle-busters. The tool feels light at 2.49 lb bare, and even with a compact battery it stays comfortably under three and a half pounds. The grip is classic DeWalt: a natural angle with rubber overmold that doesn’t get slippery when dusty. Balance with a 2.0Ah pack is excellent for overhead work, while a 5.0Ah pack makes it more planted when you’re leaning on big spade bits.

Controls are straightforward. The two-speed gearbox slides positively, and the mode ring makes it easy to choose between drilling, driving (with 15 clutch settings), and hammer drilling. The metal ratcheting 1/2 in. keyless chuck gives a confident “bite” on smooth-shank bits and smaller SDS-to-hex adapters; I never had a bit spin out, even when abusing a 1-1/8 in. self-feed bit in old fir.

There’s an on-tool LED that illuminates the target area well enough for cabinet interiors and dim corners. It’s not a floodlight, but it does its job without hot spots or glare. The included belt hook is sturdy and easy to swap sides, and it’s one of those small quality-of-life features you miss immediately when a tool doesn’t have it.

Power, speed, and control
DeWalt rates this brushless motor at 543 UWO (Unit Watts Out). They don’t quote torque, but in use that number translates to solid muscle for a compact body. In low gear (0–450 RPM) it has the grunt to turn larger wood bits and hole saws without stalling. High gear tops out at 1,650 RPM, which is a notch below some flagship 18/20V models that push 2,000+ RPM. The trade-off is noticeable when you’re running lots of small-diameter holes in steel where speed is king, but the benefit is a drill that feels composed and precise in materials where control prevents mistakes.

The variable speed trigger is smooth with good modulation. That’s important for starting ceramic tile with a carbide bit, driving delicate hardware, or easing into a metal hole without skittering. The 15-position clutch is predictable, and I could dial in screw depth on cabinet hinges and pocket-hole screws without cam-out or overdriving. For structural screws, I run it in drill mode and let the motor do its thing.

Hammer drilling performance
In concrete and masonry, the hammer mode clocks in at up to 28,050 BPM. For common jobs—Tapcons for sill plates, light-duty anchors for fixtures, and pilot holes for sleeve anchors—it’s entirely capable. With a sharp 3/16 in. masonry bit, I was sinking holes in cured slab cleanly and at a respectable pace. On older, harder aggregate, stepping the hole size up in stages helped keep things moving.

Realistically, this is the sweet spot for mixed-use pros and serious DIYers who occasionally drill masonry. If your day job is drilling dozens of 3/8 in. holes in cured concrete, you’ll still want an SDS‑Plus rotary hammer. But for remodelers, maintenance techs, and general contractors who need hammer mode a couple times a week, the performance here is right on the mark for a compact 20V drill.

Chuck and bit retention
The 1/2 in. metal ratcheting chuck is a highlight. It holds round-shank bits and hole saw arbors without creeping, and the ratchet gives clear feedback when you’re locked in. Swapping bits one-handed is easy. I ran a mix of 1/4 in. hex impact-rated bits and standard drill bits; the chuck jaw alignment is tight and runs true enough that small holes in sheet metal didn’t wander.

Noise and vibration
In hammer mode, noise is what you’d expect—sharp but not shrill—and vibration is well controlled for a compact drill. In standard drilling and driving, it’s pleasantly quiet, and the brushless motor runs smoothly with minimal whine. Long sessions driving cabinet screws or drilling pilot holes didn’t leave my hand buzzing.

Runtime and battery pairing
Brushless efficiency shows up in the runtime. With a 2.0Ah pack, I handled a sink cutout, hinge drilling, and a handful of anchors without swapping batteries. For a heavier day—framing anchors plus some hole saw work—I preferred a 5.0Ah pack to reduce swaps and add a bit of mass for stability. If you plan to lean hard on hammer drilling or large bits, a larger pack is worth it; for finish and service work, a compact pack keeps the tool agile.

What stands out
- Compact head length is genuinely useful. It goes places bigger hammer drills won’t, and it’s easier to square up to the work in cramped spaces.
- The chuck is excellent for this class. Bit retention and user feedback are both strong.
- Trigger control and clutch consistency make it a trustworthy driver for cabinet and hardware work.
- The brushless motor’s balance of low‑gear torque and overall efficiency hits the mark for a compact.

What could be better
- Top speed at 1,650 RPM trails some competitors, so repetitive small‑bit metal drilling takes a touch longer.
- There’s no side handle in the box. For occasional large hole saws or aggressive self‑feed bits, you’ll want to mind your wrist and keep a firm stance.
- As a bare tool, plan on the added cost of batteries and a charger if you’re not already on the 20V platform.

Durability and service
Fit and finish are solid. Nothing rattles, the gearbox selector is positive, and the overmold has held up to dust, concrete fines, and a few inevitable bumps in the truck. The warranty coverage—3‑year limited, 1‑year free service, and 90‑day satisfaction—adds a layer of confidence if you’re putting it into regular rotation.

Use cases and tips
- General carpentry: Low gear with auger or self‑feed bits up to a reasonable size works well; let the tool pull itself and don’t choke the feed rate.
- Cabinetry and finish: High gear with the clutch set to 4–6 was my sweet spot for most hinge and hardware screws.
- Masonry anchors: Mark, pre‑punch if possible, run in high gear hammer mode, and clear dust periodically to keep the bit cutting efficiently.
- Metal: Use sharp bits, cutting oil, and steady pressure. High gear is fine up to a point; if the bit catches, drop to low gear for control.

The bottom line
This DeWalt hammer drill prioritizes compact size, control, and dependable power over headline-grabbing top speed. In practice, that’s a smart trade for the mix of tasks most of us throw at a cordless drill: drilling in wood, driving screws with finesse, and handling occasional masonry without lugging a separate rotary hammer. The feature set—brushless motor, 1/2 in. metal ratcheting chuck, 15‑position clutch, two-speed gearbox, LED, and belt hook—covers the bases cleanly, and the ergonomics make it easy to keep on your belt all day.

Recommendation
I recommend this tool to pros and serious DIYers who want a compact, capable hammer drill as their everyday driver. It shines in tight spaces, delivers controlled power for a wide range of tasks, and holds bits securely under load. If your work leans heavily toward high‑speed metal drilling or daily concrete production, look for something with a higher top RPM or move to an SDS‑Plus rotary hammer. Otherwise, this is a well-balanced, reliable addition to a 20V kit—especially if you’re already invested in the battery platform.



Project Ideas

Business

Masonry Mounting Specialist (TVs, Art, Shelves)

Offer premium installs on brick, block, and poured concrete surfaces for apartments and historic homes. Provide clean drilling with dust capture, supply the correct anchors, and conceal cables as an upsell. Market as a same-day, no-stud-needed solution.


Balcony & Patio Makeovers

Design and install vertical planters, privacy screens, and string-light systems anchored into masonry or slabs. Package materials and labor into tiered bundles and offer seasonal refreshes. The compact hammer drill enables fast, professional installs in tight outdoor spaces.


Safety Grab Bar and Rail Installations

Specialize in ADA grab bars for bathrooms and stair rails into tile, brick, or concrete. Use low RPM to start through tile, then hammer mode into backing for secure anchors. Partner with aging-in-place consultants and property managers for steady referrals.


Exterior Signage & Standoff Mounts

Install exterior signs, menu boards, and architectural standoffs on brick facades for cafes and boutiques. Offer night or off-hours service using the on-tool LED for precision and include maintenance packages for seasonal sign swaps.


Rental Turnover Handyman (Anchor-Heavy Tasks)

Provide quick-turn services for property managers: curtain rods, bike racks, hose reels, mailbox mounts, and door hardware into masonry. Flat-rate pricing per fixture with volume discounts; carry common anchors and bits to complete jobs in one visit.

Creative

Brick Fireplace Floating Shelves

Transform a brick fireplace wall with chunky floating shelves. Use hammer mode to drill precise holes for sleeve anchors and ledger boards, then swap bits quickly with the metal ratcheting keyless chuck. The compact head fits under mantels and the LED light helps align brackets in dim spaces.


Vertical Garden on a Masonry Wall

Create a living wall by mounting cedar planter boxes and trellis panels to cinder block or stucco. Drill pilot holes for masonry anchors and irrigation line clips, using low RPM to start and hammer mode to finish. The tight head length makes it easy to work between planters.


Backlit House-Number Plaque on Stone

Make a modern address plaque with standoff mounts and hidden LED backlighting. Drill clean, evenly spaced holes into stone or brick for the standoffs, then swap to step bits for cable grommets. The on-tool LED aids layout accuracy at dusk.


Patio String-Light Poles Anchored to Concrete

Build sturdy steel or wood poles bolted to your concrete slab for year-round string lights. Use hammer mode to drill anchor holes for base plates and the 2-speed trigger to control bit heat. Finish with weatherproof hardware for a professional look.


Garage Hangboard/Pull-Up Bar Mount

Install a training hangboard or pull-up bar into brick or block with sleeve anchors. The 1/2 in. chuck holds larger masonry bits securely, while the compact profile makes it easy to work above door headers and between joists.