
Worx · WU387.9
WORX WU387.9 20V 22mm Brushless Cordless SDS-Plus Rotary Hammer (Bare Tool, No Battery or Charger)
電動工具
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$980.00
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The WORX WU387.2 is a 20V professional brushless cordless rotary hammer with an SDS-Plus quick-change chuck. It delivers 2.0 joules of impact energy, 0-1350rpm no-load speed and 4700 blows per minute, with three working modes - rotary drilling, hammer drilling and chiselling. Maximum drilling capacity is 22mm in concrete, 13mm in steel and 27mm in wood, making it well suited to installation work, plumbing and fire-services pipework, air-conditioning, CCTV and signage mounting. At just 2.1kg bare, it uses a one-piece three-shaft structure and a fully sealed, oil-leak-proof housing for reliable extended use. This kit ships with two 20V 5.0Ah lithium batteries and a 6A fast charger for continuous work.
A brushless motor paired with a 19.5mm large-bore hammer mechanism delivers 2.0 joules per blow at 4700bpm, drilling up to 22mm in concrete. The brushless design removes carbon-brush wear for higher efficiency and longer service life.
The function selector offers rotary drilling, hammer drilling and chiselling, plus a chisel-angle adjustment position for setting the flat chisel orientation. The SDS-Plus chuck changes bits without tools.
| Model | WU387.2 |
|---|---|
| Rated voltage | 20V (Li-ion) |
| No-load speed | 0-1350 rpm |
| Impact rate | 4700 bpm |
| Impact energy | 2.0 J |
| Chuck type | SDS-Plus |
| Operating modes | Drilling / hammer drilling / chiselling (plus chisel-angle adjust) |
| Max drilling capacity (concrete) | 22mm |
| Max drilling capacity (steel) | 13mm |
| Max drilling capacity (wood) | 27mm |
| Optimal bit range | 6-10mm |
| Bare tool weight | 2.1 kg |
| Dimensions | 26.4 x 8.9 x 22.8 cm |
| Battery platform | WORX 20V MAX KROSS PACK |
| Batteries supplied | 2 x 20V 5.0Ah Li-ion |
| Charger supplied | 1 x 6A charger |
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