Back to CatalogWorx 20V Cordless Lithium Battery Hammer Drill WU391 (5.0Ah Dual Battery) Electric Impact Drill for Concrete and Wall Drilling Power Tool
Specifications
- Battery capacity
- 5Ah
- Whether with carbon brush
- Without carbon brush
- Rated voltage
- 20V
- Power Mode
- Lithium battery
- Chuck Type
- Quick chuck
Variants / Sale Attributes
Style: [5.0 Dual Battery] Dust Collection Electric Hammer WU391
Package Contents
WU391.9 bare device ×1
4.0 battery ×2
charger ×1
Product Description
Product Specifications
WU384 Series (Light Hammer)
WU385 Series (Medium Hammer)
WU391 Series (Heavy Hammer)
Additional details
- Decorative renovation
- electrical appliance installation
Kitchen and bathroom hardware installation
Curtain and drying rack installation
Clothes rack installation
Lighting installation
Rebar planting and hole repair
Indoor installation (ceiling/custom)
Electrical installation
Pipeline installation
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Additional details
- WU384
- 1.7J
- WU385
- 2.5J
- WU391
- 3.0J
- Concrete (C30)
- WU384 - 20 mm, WU385 - 24 mm, WU391 - 26 mm
- Steel
- 13 mm (all models)
- Wood
- WU384 - 20 mm, WU385 - 27 mm, WU391 - 30 mm
- WU384
- 6-10 mm
- WU385
- 8-12 mm
- WU391
- 10-16 mm
- WU384
- Drill, Hammer Drill, Chisel
- WU385
- Drill, Hammer Drill, Pulse Tile Breaking, Angle Adjustment
- WU391
- Drill, Hammer Drill, Chisel, Angle Adjustment, Pulse Tile Breaking
- WU384
- SDS Quick Insert
- WU385
- SDS Quick Insert
- WU391
- SDS Quick Chuck
- WU384
- 274 x 76 x 202 mm
- WU385
- 314 x 86 x 206 mm
- WU391
- 344 x 96 x 214 mm
- WU384
- 1.5 kg
- WU385
- 2.3 kg
- WU391
- 2.96 kg
G-TEC+ electronic clutch (except WU384T/WU385T/WU391T models without G-TEC)
Mechanical clutch (WU391 includes mechanical clutch)
Anti-twist hand protection
Additional details
- Voltage
- 20V brushless integrated active dust collection system
- Battery options
- 4.0Ah, 5.0Ah, 6.0Ah (various configurations available)
- Continuous drilling
- Up to 70 holes (Φ10x80 mm in #300 concrete) with 5.0Ah battery
- Battery management
- Overcurrent, overvoltage, overtemperature, charge/discharge protection
- Impact Energy
- 3.0J
- Impact Frequency
- 4700 bpm
- Rated Speed
- 0-950 rpm
Large cylinder and hammer system patented (CN202420166255.4)
Balanced air pressure system for stable power output
PURFORCE integrated active dust collection system with independent motor and delayed dust clearing
HEPA filter with 99.97% filtration efficiency
Compatible with WA1603 dust collection box (sold separately)
One-button dust box removal and cleaning
Hammer system air duct design with bottom fan layout for optimized heat dissipation and extended tool life
Additional details
- Multi-mode operation
- drilling, hammer drilling, chiseling, pulse tile breaking, angle adjustment
- Suitable for various materials
- wood, metal, ceramic, brick, concrete
Lightweight design for easy single-hand operation and high-altitude work (WU391 at 2.96kg)
Multi-dimensional protection against kickback and jamming with fast clutch disengagement
Additional details
- WU391.9
- Bare tool only (no battery or charger)
- WU391.1
- Dual 5.0Ah battery pack, 2A charger, carrying bag
- WU391
- Dual 4.0Ah battery pack, 2A charger, carrying bag
- WU3914.0Ah
- Single 4.0Ah battery pack, 2A charger
- WU3915.0Ah
- Single 5.0Ah battery pack, 2A charger
- WU3916.0Ah
- Dual 6.0Ah battery pack, 6A charger
- WU391 + WA1603
- Includes dust collection box with various battery options
Data sourced from SGS, BV, ITS, DEKRA, and Bosch testing centers
Actual performance may vary depending on testing environment and version
Product images and structure are for illustration only; actual product may vary
Bare tool configurations do not include battery or charger and are intended for existing WORX lithium battery platform users
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