WX381.9 - Drill WORX - Free user manual and instructions
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| Product Type | Drill |
| Brand | Worx |
| Model | WX381.9 |
| Power Source | 20V Max Lithium-Ion Battery |
| Chuck Type | Keyless, 1/2 inch (13 mm) |
| Speed Settings | Variable speed trigger, 2-speed gearbox (0-450 / 0-1800 RPM) |
| Max Torque | 350 in-lbs (39.5 Nm) |
| Clutch Settings | 20+1 clutch positions |
| Drilling Capacity (Wood) | 1-1/2 inches (38 mm) |
| Drilling Capacity (Metal) | 1/2 inch (13 mm) |
| Drilling Capacity (Masonry) | 1/2 inch (13 mm) |
| Weight | 3.3 lbs (1.5 kg) with battery |
| Length | 8.2 inches (208 mm) |
| Height | 7.6 inches (193 mm) |
| Built-in LED Light | Yes, with 10-second delay |
| Belt Clip | Yes |
| Battery Included | Usually sold as tool only; battery and charger sold separately |
| Compatible Batteries | Worx 20V WA3550, WA3551, WA3571, etc. |
| Charger Type | Worx 20V WA3880 fast charger (recommended) |
| Warranty | 3-year limited warranty |
| Maintenance | Keep vents clean, store in dry place, lubricate chuck occasionally |
| Included Accessories | Belt clip, double-ended bit tip (typically) |
Frequently Asked Questions - WX381.9 WORX
What battery types are compatible with the Worx WX381.9 drill?
The Worx WX381.9 is part of the 20V Max platform and is compatible with all Worx 20V lithium-ion batteries, including models WA3550, WA3551, and WA3571.
How do I change the speed setting on the WX381.9?
The drill features a 2-speed gearbox. To change speed, move the switch on top of the gearbox. Position 1 is for low speed (0-450 RPM, high torque) and position 2 is for high speed (0-1800 RPM, lower torque).
What is the maximum drilling capacity of the WX381.9 in wood?
The drill can drill up to 1-1/2 inches (38 mm) in wood when using a spade bit or hole saw, and up to 1/2 inch (13 mm) in metal and masonry.
How do I adjust the torque clutch on the Worx WX381.9?
Rotate the clutch ring located behind the chuck. There are 20 torque settings plus a drill mode (marked by a drill bit icon). Lower numbers provide less torque for driving screws into soft materials; higher numbers for harder materials. The drill mode disables the clutch for drilling.
Is the Worx WX381.9 brushless?
Yes, the WX381.9 features a brushless motor, which provides more efficiency, longer runtime, and increased durability compared to brushed motors.
How do I replace the chuck on the WX381.9?
The WX381.9 has a keyless chuck. To remove it, insert a 5/16-inch hex key into the chuck and turn it counterclockwise while holding the spindle with a wrench. The chuck can then be unscrewed. Reverse the process to install a new one.
What is the weight of the Worx WX381.9 drill with battery?
The drill weighs approximately 3.3 lbs (1.5 kg) with a 2.0Ah battery installed, making it lightweight and easy to handle.
How long does the LED light stay on after releasing the trigger?
The built-in LED light has a 10-second delay after you release the trigger, providing illumination in dark work areas.
Can the Worx WX381.9 be used for hammer drilling?
No, the WX381.9 is a standard drill without a hammer function. It is not designed for masonry drilling in concrete; use a hammer drill for such tasks.
Where can I find the user manual for the Worx WX381.9?
The user manual is available for free download on the official Worx website or from manual providers like notice-facile.com. The manual covers safety instructions, operation, and maintenance.
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