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A brushless 20V MAX XR drill/driver with a 3-speed metal transmission and 1/2-inch ratcheting chuck, delivering up to 57% more runtime and 2,000 RPM for demanding work.
Categories : tools
SKU : WOR-TOO-205
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The DEWALT DCD991B 20V MAX XR Brushless Drill/Driver is built for pros who need speed, torque, and endurance in one tool. Its high-efficiency brushless motor delivers up to 57% more runtime than brushed motors, and the 3-speed all-metal transmission lets you match the tool to the task. This bare tool is ready to drop into an existing 20V MAX ecosystem.
With a 0–2,000 RPM range across three speeds, the DCD991B handles everything from delicate screwdriving to high-speed drilling. The heavy-duty 1/2-inch ratcheting nitro-carburized metal chuck with carbide inserts grips bits securely, reducing slippage in hard materials.
The brushless motor is more efficient and has no brushes to wear out, which means longer run time per charge and longer tool life. In real-world use, that's up to 57% more work per battery compared to brushed versions.
The LED light is up to 20 times brighter than previous models, and the spotlight mode stays on for 20 minutes so you can keep working in dark spaces without constantly hitting the trigger.
If you already own DEWALT 20V MAX batteries, this bare-tool drill/driver is a smart upgrade. It's ideal for framing, cabinet installation, metal drilling, and any task where you need a reliable high-performance drill that can keep up with your pace.
High-efficiency brushless motor – Up to 57% more runtime than brushed motors.
3-speed metal transmission – Optimize speed and torque for every application.
Heavy-duty 1/2-inch ratcheting chuck – Nitro-carburized steel with carbide inserts holds bits securely.
Brighter 3-mode LED – Up to 20x brighter with 20-minute spotlight mode.
Bare-tool flexibility – Uses your existing DEWALT 20V MAX batteries and chargers.
LED: 3-mode with 20-minute spotlight
Model: DCD991B
Motor: Brushless
Max RPM: 0-2,000
Chuck Size: 1/2 inch
Chuck Type: Ratcheting nitro-carburized metal with carbide inserts
Power Source: DEWALT 20V MAX battery (sold separately)
Product Type: Cordless Drill/Driver (Bare Tool)
Speed Settings: 3
Seller: Workbench World
MPN: DCD991B
Under high torque, a standard chuck can slip or let the bit spin. The DCD991B's ratcheting design locks the jaws more securely, and the carbide inserts bite into the bit shank so you get every ounce of torque.
A brushless motor converts more of the battery's energy into rotary motion and less into heat. On a 5.0Ah pack, that can mean an extra hour of drilling compared to a comparable brushed tool. The DCD991B also gives you a fuel gauge on compatible batteries so you always know how much power you have left.
No, it's a bare tool. It's compatible with all DEWALT 20V MAX batteries and chargers.
Brushless motors run more efficiently, generate less heat, and have no brushes to wear out — resulting in longer runtime and tool life.
Speed 1 (0-600 RPM) is for high-torque screwdriving, Speed 2 (0-1,200 RPM) for general drilling, and Speed 3 (0-2,000 RPM) for fast drilling in wood and thin metal.
The spotlight mode stays on for 20 minutes after you release the trigger, making it easier to work in dark spaces without keeping a finger on the trigger.
Powerful drill!
This drill has plenty of power. The metal chuck is solid.
I use drills all day for commercial electrical work. This one has the most power of any cordless I've owned. The 3-speed transmission is perfect for different tasks. The ratcheting chuck holds bits tightly without slipping. Battery life is impressive with the XR batteries. It's a bit heavy, but the power makes up for it. Overall, a top-tier drill.
The best drill I've had. It never bogs down. Easy to control.
I'm a homeowner and this is overkill for me, but I like having the best. It drills through concrete with ease. The LED light is handy. The belt clip is useful. It's a bit pricey but will last forever. I'm happy with it.
Great tool.
The 3-speed gearbox is smooth. The chuck grips securely. Highly recommended.
As a finish carpenter, I need a reliable drill. This one is an absolute beast. The 2,000 RPM speed makes drywall boring quick. The clutch settings are precise. The build quality is excellent. The only downside is the lack of a carrying bag, but I have my own. Overall, a professional-grade tool.
It's heavy but worth it. The power is unmatched. I love the 3-speed control.
Torque for days.
I bought this to replace my old 18V drill. The difference is night and day. It's lighter than I expected for the power. The battery lasts a long time on a single charge. The chuck is smooth and doesn't loosen. I've had it for a month and it's flawless. Very pleased.
