



WU385.9 bare unit ×1 20V 4.0 battery ×2 Charger ×1
Product Specifications
WU384 Series (Light Hammer)
WU385 Series (Medium Load Hammer)
WU391 Series (Heavy Hammer)

D05729 Standard Model [4.0AH Single Battery]
CNÂ¥699.00

GBH 2-26 DRE
CNÂ¥1,196.10
| Specification | WU384 Series | WU385 Series | WU391 Series |
|------------------------|-----------------------|-----------------------|-----------------------|
| Impact Energy | 1.7J | 2.5J | 3.0J |
| Maximum Drilling Capacity (Concrete C30) | 20mm | 24mm | 26mm |
| Maximum Drilling Capacity (Steel) | 13mm | 13mm | 13mm |
| Maximum Drilling Capacity (Wood) | 20mm | 27mm | 30mm |
| Optimal Drilling Range (mm) | 6-10 | 8-12 | 10-16 |
| Working Modes | Drill, Hammer Drill, Chisel | Drill, Hammer Drill, Pulse Tile Drilling | Drill, Hammer Drill, Chisel, Angle Adjustment |
| Chuck Type | SDS Quick-Release | SDS Quick-Release | SDS Quick-Release |
| Dimensions (L×W×H) | 274×76×202 mm | 314×86×206 mm | 344×96×214 mm |
| Weight (Bare Tool) | 1.5 kg | 2.3 kg | 2.96 kg |
| Safety Features | G-TEC+ Electronic Clutch Release, Anti-Twist Hand Protection | G-TEC+ Electronic Clutch Release, Anti-Twist Hand Protection | G-TEC+ Electronic Clutch Release + Mechanical Clutch Release |
| Battery Voltage | 20V | 20V | 20V |
| Rated No-Load Speed | 0-1000 rpm | 0-1000 rpm | 0-1000 rpm |
| Rated Impact Frequency | 0-5000 bpm | 0-5000 bpm | 0-5000 bpm |
Integrated PUREFORCE Active Dust Collection System with independent motor and delayed dust clearing function for thorough dust extraction
HEPA filtration with 99.97% efficiency for cleaner and healthier operation
G-TEC Active Anti-Twist Technology with built-in high-precision gyroscope and intelligent current sensing for instant clutch release upon bit jamming
Pulse Mode (PULSE ASSIST) for precise tile drilling without cracking, patented electronic pulse technology
Lightweight design for easy single-hand operation and high-altitude work
WA1603 PUREFORCE Dust Collection Module with brush suction port, compact size, independent motor, one-button dust box removal, and HEPA filter (sold separately)
Compatible with WORX WU384, WU385, and WU391 series
Data sourced from international testing agencies SGS, BV, ITS, DEKRA, and Baoshide Testing Center; actual performance may vary depending on testing environment and product version
Product images and structure are for illustration only; actual product may vary
Bare tool configuration is intended for existing WORX lithium battery platform users and does not include battery or charger
WORX emphasizes dust hazard prevention at the source to protect workers’ health
Dust concentration during rotary hammer operation can exceed PM2.5 limits by 25 times
Integrated dust collection and HEPA filtration help reduce occupational lung disease risks among construction workers

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