The Front Desk Review

DeWalt · Updated June 2026

DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill: price, specs & release date

DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill, released 2020. Every price and spec below is linked to its source and dated — no guesses.

Source: dewalt.com verified ✓ corroborated verify in ledger

BronzeDeskmark30/100#15 of 18 in class

The DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill is listed at $239 on dewalt.com as of 2026-06-27, #11 cheapest of 12 cordless drills (median $184); other retailers may be lower. It earns a Bronze Deskmark — 30/100 pay-blind standing, #15 of 18 in class.

Verified Jun 27, 2026 · figures linked to their source in the table below

Cheapest cordless drills: Ryobi PCL206K2 ONE+ 18V 1/2 in. Drill/Driver Kit — $54

See DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill on Amazon Live price at the store — may differ from the dated listed price above. As an Amazon Associate we earn from qualifying purchases.
DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill — DeWalt
Image: ebay.com (© DeWalt)

Is the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill a good buy?

At $239, the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill is #11 cheapest of the 12 cordless drills we track, where the median is $184. On the spec sheet, its voltage of 20 V is above the median of the 19, its weight of 3.54 lb is above the median of the 17, and its release of 2020 is below the median of the 9.

Evidence of Record

Our data
Independent labsmeasured it
1
Physical metricsrecorded
2
Outlets on recordall tested
1

One independent lab measured this product across 2 physical metrics — battery and weight. These numbers rest on a single hands-on source so far.

A coverage record, not a rating. How we count

Review consensus · sourced & dated

What reviewers say about the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill

One whitelisted tester, Pro Tool Reviews, published a hands-on, measured review of this exact DCD999 model, scoring it 9.5/10. It praised top-tier performance that surges with a FlexVolt battery on high-demand drilling, while flagging that peak output requires running a heavy battery. All quotes and measured hole-saw drill times and weights were verified against the source.

Based on 1 review · 1 lab-tested · 2023-05-23

Tested by Pro Tool Reviews

Consistently praised

  • Top-tier performance that crushes competition when paired with a FlexVolt battery
  • Large measured speed gains on high-demand drilling (84% faster with FlexVolt on the 2 1/8-inch hole saw)
  • Brushless motor, three speeds, and LED light controls relocated to the foot

Commonly flagged

  • Requires a heavy FlexVolt battery to unlock the best performance, adding weight

Where reviewers disagree Single-source only, so no cross-source disagreement could be assessed. Pro Tool Reviews itself notes the weight-versus-performance tradeoff but judges it to work in DeWalt's favor.

The sources (1)

Pro Tool Reviews lab-tested ·

1-inch hole saw drill time, 2.0Ah battery: 11.37 s · 1-inch hole saw drill time, 6.0Ah FlexVolt battery: 4.35 s · 2 1/8-inch hole saw drill time, 2.0Ah battery: 38.62 s · 2 1/8-inch hole saw drill time, 5.0Ah battery: 21.38 s · 2 1/8-inch hole saw drill time, 6.0Ah FlexVolt battery: 6.17 s · Bare tool weight (measured): 3.6 lbs · 5.0Ah battery + tool weight: 4.9 lbs

The DeWalt FlexVolt Advantage hammer drill is competitive with a 5.0Ah battery and crushes most of its competition with a FlexVolt pack.
you get the highest available performance from the DCD999
You have to use a heavy battery to get the best performance

Specifications

Price (US)$239 Bare-tool price; kit with 6.0 Ah FlexVolt battery runs higher
BrandDeWalt
Released2020
Voltage (V)20
Max torque in (lb)—
Chuck size (in)1/2 in
No load speed (rpm)0-450 / 0-1,400 / 0-2,000
BrushlessYes
Battery included ah—
Weight (lb)3.54

Source: dewalt.com (verified 2026-06-19) · corroborated by toolboxbuzz.com. Re-verified: 3-speed transmission (450/1,400/2,000 RPM), brushless, 1/2-in chuck, 3.54 lb bare tool confirmed by ToolBoxBuzz. Torque null (no US in-lbs figure). Bare-tool price $239 confirmed live at Toolup. Release 2020 per ToolBoxBuzz Dec 2020 review. No battery in bare-tool config.

Is the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill worth it vs cheaper cordless drills?

DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill against its closest cheaper and pricier cordless drills on the specs that matter — every value sourced. See all 12 ranked

ProductPriceVoltage (V)Chuck size (in)No load speed (rpm)BrushlessWeight (lb)
DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill this$239201/2 in0-450 / 0-1,400 / 0-2,000Yes3.54
Flex FX1271T 24V Brushless 1/2 in. 2-Speed Hammer Drill/Driver with Turbo Mode Kit$209.99241/2 in0-550 / 0-2,000Yes3.8
Milwaukee M18 FUEL 2904-22 1/2 in. Hammer Drill/Driver Kit$329181/2 in0-500 / 0-2,100Yes3.3

Frequently asked questions

What do reviewers say about the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill?

One whitelisted tester, Pro Tool Reviews, published a hands-on, measured review of this exact DCD999 model, scoring it 9.5/10. It praised top-tier performance that surges with a FlexVolt battery on high-demand drilling, while flagging that peak output requires running a heavy battery. All quotes and measured hole-saw drill times and weights were verified against the source. Praised: Top-tier performance that crushes competition when paired with a FlexVolt battery; Large measured speed gains on high-demand drilling (84% faster with FlexVolt on the 2 1/8-inch hole saw); Brushless motor, three speeds, and LED light controls relocated to the foot. Flagged: Requires a heavy FlexVolt battery to unlock the best performance, adding weight. (From 1 tester review, 1 lab-tested.)

How much does the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill cost?

The DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill has a US price of $239 (Bare-tool price; kit with 6.0 Ah FlexVolt battery runs higher), as of 2026-06-19.

How does the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill compare on price?

At $239, the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill is #11 cheapest of the 12 cordless drills we track, where the median is $184.

When was the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill released?

The DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill was released 2020.

What are the DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill's key specs?

DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill (DeWalt): voltage v 20, chuck size in 1/2 in, no load speed rpm 0-450 / 0-1,400 / 0-2,000, brushless Yes, weight lb 3.54. Full sourced spec sheet verified 2026-06-19.

Price of record: $239 at dewalt.com, 2026-06-27. Other retailers may be lower — check the current price:

See DeWalt DCD999B 20V MAX FlexVolt Advantage Brushless Hammer Drill on Amazon As an Amazon Associate we earn from qualifying purchases.

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