DeWalt · Hammer drill

DeWalt DCD999 Review

Placeholder illustration; product photos coming via Amazon SiteStripe/PA-API.

Hammer drill on the DeWalt 20V MAX XR FlexVolt Advantage platform, brushless motor, up to 2,000 RPM.

Price varies — check Amazon (no price snapshot observed yet)

Check Price on Amazon

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3.5

Based on 10 rated Reddit owner comments (19 owner comments total) · Top 15% of tracked models by overall score

Owner sentiment
3.7
Recommendations
2.2
Spec score
4.0
Value
Not rated

Value: Not rated until Amazon prices are observed.

How scores work →

Is the DeWalt DCD999 worth it?

It earns a mixed rating: 3.5/5 overall from 10 rated owner comments, with an average owner rating of 3.8★. The most discussed theme is power & torque (4 mentions).

Who it suits

  • You care about power & torque: 3 owner comments praise it.
  • You care about value: 3 owner comments praise it.
  • You care about battery & runtime: 2 owner comments praise it.

Who should skip it

  • Battery & Runtime matters to you: 2 owner comments raise it as a complaint.
  • Compact & Lightweight matters to you: 1 owner comment raise it as a complaint.
  • Value matters to you: 1 owner comment raise it as a complaint.

Good fit / keep in mind

Good fit

  • Masonry: hammer mode for brick and concrete.
  • Brushless motor for runtime and longevity.

Keep in mind

  • No spec drawbacks flagged.

From manufacturer-specified figures.

Key specs

Max speedi
2,000 RPM
→ guide
Voltagei
20 V
→ guide
Motori
Brushless
→ guide
Chuck typei
Keyless
→ guide
Clutch settingsi
11
→ guide

What the specs mean in practice

MetricValueRank
Max speed2,000 RPMTop 18% of tracked models

What Reddit owners say

Praise

Power & Torque 3 owner mentions

Value 3 owner mentions

Battery & Runtime 2 owner mentions

Complaints

Battery & Runtime 2 owner mentions

Compact & Lightweight 1 owner mention

Value 1 owner mention

2/5 Power & TorqueBattery & Runtime

“I ask as I've seen those bigass right angle "hole hog" drills - ie the DCD470N - and wondered if they're actually worth it.”

owner comment via r/Dewalt · 2026-03-25 · 3 upvotes
4/5 Compact & LightweightValue

“Haven’t seen anyone bad mouth the set up, I’ve been using it about 7 years on my DCD999, it works great.”

owner comment via r/Dewalt · 2026-07-19 · 4 upvotes
4/5 Masonry & Hammer Mode

“My DCD999 had no problem going through 10” of concrete block and brick with a 3/8” bit.”

owner comment via r/Tools · 2026-04-06 · 1 upvotes
4/5 Power & TorqueDurability

“Much like you I have a lot of dewalt tools that are over kill for me (12” cordless miter saw and dcd999 for example).”

owner comment via r/Tools · 2026-01-18 · 1 upvotes
4/5 Power & TorqueClutch & Speed Control

“the fact that it functions as a drill too and a very powerful one is secondary.”

owner comment via r/Dewalt · 2026-03-23 · 1 upvotes
+5 more owner comments
2/5 Compact & LightweightBattery & Runtime

“I have a DCD999 and a 794.”

owner comment via r/Dewalt · 2026-07-13 · 2 upvotes
4/5 Battery & RuntimeWarranty & Service

“Had one for six years and it's always been solid.”

owner comment via r/Dewalt · 2026-02-06 · 2 upvotes
5/5 Battery & RuntimeValue

“I upgraded to a dcd999 got it on sale at the depot for like 129.99 with a 6ah flex volt battery and a 6ah fast charger like a year ago it's amazing especially for the price I paid for it.”

owner comment via r/Dewalt · 2026-01-14 · 1 upvotes
5/5 Power & Torque

“I have the DCD999 and it's a beast, plus has Flexvolt option.”

owner comment via r/Dewalt · 2026-01-13 · 1 upvotes
4/5

“My dewalt DCD999 seems pretty good”

owner comment via r/Tools · 2026-10-09 · 1 upvotes

Reddit threads

Check the price

Check Price on Amazon

Price varies — check Amazon for the current price. Prices change. DrillVerdict is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.

FAQ

Is the DeWalt DCD999 a hammer drill?

Yes. The manufacturer lists the DCD999 as a hammer drill.

What battery does the DeWalt DCD999 use?

It runs on DeWalt's 20V MAX XR FlexVolt Advantage battery platform (20V class).

What do Reddit owners complain about on the DeWalt DCD999?

The most common complaint theme is battery & runtime (2 owner comments).

Alternatives

DeWalt DCD996

Hammer drill · 20V MAX XR
3.5 (26 owner comments)
Price varies — check Amazon
Power & TorqueBattery & Runtime

“Overall I'd rate it a 9.5/10, only loosing a half a point because it's too powerful for assembling flat pack furniture so I had to spend £15…”

Read review →

DeWalt DCD1007

Hammer drill · 20V MAX XR
3.4 (46 owner comments)
Price varies — check Amazon
ValuePower & Torque

“If I need power, I'll grab one of the first 3 as they are the most powerful.”

Read review →

DeWalt DCD805

Hammer drill · 20V MAX XR
3.1 (15 owner comments)
Price varies — check Amazon
ValueBattery & Runtime

“this is probably the best deal out there on tools.”

Read review →

Comparisons: DeWalt DCD1007 vs DeWalt DCD999 · DeWalt DCD805 vs DeWalt DCD999 · DeWalt DCD996 vs DeWalt DCD999

Keep deciding

Full specifications

ModelDCD999 (spec source SKU DCD999T1)
TypeHammer drill
Platform20V MAX XR FlexVolt Advantage
Max torqueNot published
Max speed2,000 RPM
Hammer rateNot published
Weight (bare tool)Not published
Head lengthNot published
Voltage20 V
MotorBrushless
Chuck sizeNot published
Chuck typeKeyless
Clutch settings11
Max powerNot published

Manufacturer-specified; missing fields are never estimated. Spec source · Last updated 2026-10-17