Brushless cordless SDS drill




- Part of the SKIL high performance brushless range, offering unmatched value for money
- Brushless motor: on average 50% more power, 45% faster and a 10x longer lifetime than a conventional brushed motor
- Vibration Reduction System ensures optimal working comfort and low vibrations
- Pneumatic hammer mechanism for drilling in concrete
- 'SDS+' system for fast, easy bit changing
- 3-in-1: for screwdriving, drilling and hammer drilling in concrete
- Compact and ergonomic design
- Constant speed ensures efficiency even under higher load
- Softgrip for a better and more comfortable grip
- Variable speed ensures a gentle start and full control at all times
- Forward/reverse switch for easily changing the working direction of the tool
- LED light for a better sight of the workpiece and more comfortable working in poorly lit areas
- Lithium-Ion technology: no memory effect, no self-discharge and always ready for use

KEEPCOOL™
Our patented ‘KEEPCOOL™’ technology prevents batteries from overheating and improves battery performance.
Discover KEEPCOOL™ACTIVCELL™
Our intelligent ACTIVCELL™ technology continuously monitors the voltage, temperature and current of the battery. Transmitting this information to the tool in real-time, it helps extract the right amount of energy from the battery for the job.
Discover ACTIVCELL™


PWRCORE 20™ SERIOUS POWER AND PERFORMANCE.
PWRCORE 20™ is the perfect choice for bigger projects. The serious power and performance allow you to complete every task at hand with ease.
Product Description
Brushless cordless SDS drill with pneumatic hammer mechanism
The ‘20V Max’ SKIL 3821 is a compact, yet high-performance SDS drill with pneumatic mechanism for drilling in concrete. It’s part of the SKIL brushless range, offering unmatched value for money. Our brushless motor is faster, stronger and lasts 10 times longer than a conventional brushed motor. Like all other SKIL ‘20V Max’ cordless tools, this model is powered by the industry-leading PWRCORE 20™ battery and charger technology.Brushless cordless SDS drill SKIL 3821 has two functions and could be used for screwdriving, regular drilling and drilling in concrete. Constant speed ensures efficiency even under higher load. The tool’s vibration reduction system (‘VRS’) ensures optimal working comfort by reducing vibrations. All in all, this powerful tool truly offers everything you need: reliable Lithium-Ion battery technology, variable speed for full control and a forward/reverse switch for easily changing the working direction of the tool. The LED light ensures good visibility of your work. Last but not least, the ergonomic design and softgrip on the tool provide extra working comfort. And the ‘SDS+’ system enables fast and easy accessory changing. SKIL 3821 GA is supplied in a carrying case with one 2.0Ah ‘KEEPCOOL™’ battery, a 1-hour charger, a set of 3 SDS+ drill bits, a magnetic bitholder with SDS+ adapter, a side handle and a depth gauge
SKIL brushless range with advanced electronics, offers unmatched value for money
SKIL offers a full range of high-performance brushless power tools for your everyday tasks. Among the very best in the market, our brushless tools stand out for their unmatched value for money. On average, they deliver an impressive 50% more power and enable you to complete tasks 45% faster than tools with a conventional brushed motor. Equally important, SKIL brushless motors have a 10 times longer lifetime than conventional motors, making them a cost-saving and sustainable choice. The durability of these brushless motors is reflected in a 5-year tool warranty, underlining SKIL’s commitment to quality. And what’s more, SKIL brushless motors are controlled by advanced electronics, making them perform better than many other brushless tools in the market.
PWRCORE 20™ industry-leading battery technology to power all SKIL '20V Max' tools
The PWRCORE 20™ system consists of industry-leading advanced battery and charger technology, plus innovative features you won’t find anywhere else, such as our patented KEEPCOOL™ battery cooling technology which increases the runtime by up to 25% and doubles the battery lifetime. Whereas the patented ACTIVCELL™ technology safeguards a maximum performance and optimal battery protection. The PWRCORE 20™ batteries and chargers are 100% compatible and interchangeable with all SKIL PWRCORE 20™ power tools and garden tools for ultimate flexibility.
Specifications
| Performance Level | HIGH PERFORMANCE |
|---|---|
| Tool Length (mm) | 256 |
| Maximum drilling capacity in concrete | 18 mm |
| Impact force | 1.5 J |
| Maximum drilling capacity in wood | 13 mm |
| Maximum drilling capacity in steel | 10 mm |
| Chuck Type | SDS+ |
| Tool Width (mm) | 181 |
| Tool Weight (kg) | 1.55 |
| Battery capacity | 2 Ah |
| Number of batteries | 1 |
| Voltage Max | 20 V Max |
| Tool Height (mm) | 74 |
| Motor Type | Brushless |
| No Load Speed (rpm) | 0-810 |
| Max. impact rate | 0-4500 IPM |
| Voltage (V) | 20 V |
| Weight incl. battery | 2 kg |
| Charging time | 1 h |
| Power Platform | PWRCORE20 |
| After-glow | Yes |
| Illumination | Yes,Normal LED |
| Illumination Switch | No |
| IOT | No |
| Pre-light | Yes |
| Soft Grip | Yes |
| EAN | 4894863202109 |
| Functions | 2(drill, hammer drill) |
| Power source | Battery (cordless) |
| Sound pressure | 2 dB |
| Uncertainty Vibration (K) | 0-810 m/s² |
| Sound power | 18 dB |
| Vibration level (impact drilling in concrete) | 10 m/s² |
Packaging contains
- SKIL 3821 brushless cordless SDS drill
- Carrying case
- '20V Max' (18V) 2,0Ah 'KEEPCOOL™' Li-Ion battery (1x)
- Charger (3122 AA)
- 'SDS+' drill bits (6, 8, 10, 12 mm)
- Magnetic bitholder with 'SDS+' adapter
- Side handle
- Depth gauge
- Instruction manual
Available documents for this tool































