Name: WORX WU399.2 20V 26mm Brushless Cordless Rotary Hammer Kit (2 x 6.0Ah Batteries + 6A Charger)
Brand: Worx
SKU: WORX-WU3992
Price: 1900 HKD
Availability: InStock

The WORX WU399.2 is a professional-grade brushless cordless rotary hammer on the 20V lithium platform, offering two working modes - hammer drilling and rotation-only drilling - for concrete, masonry, timber and metal. A brushless motor paired with a large-bore cylinder delivers 0-1250 rpm, 0-4800 blows per minute and 5.0 J of single-blow impact energy, with a maximum drilling capacity of 26 mm in concrete and an optimal bit range of 6-10 mm. Being fully cordless, it suits construction sites, M&E installation, fit-out and MRO work where the operator moves frequently.

WORX WU399.2 20V brushless cordless rotary hammer drilling into a concrete wall

Features & Benefits

WORX WU399.2 brushless cordless rotary hammer with 20V MAX POWERSHARE battery

Brushless motor and large-bore cylinder

The brushless motor removes carbon-brush wear for better efficiency and service life, while the large-bore cylinder delivers a consistent 5.0 J of impact energy to the bit for fast, steady drilling in concrete.

Two modes: hammer drilling and rotation-only drilling

Switch between hammer drilling (rotation plus impact) and rotation-only drilling to suit the material, covering both concrete anchoring and timber or metal holes with a single tool.

WORX 20V MAX POWERSHARE 6.0Ah lithium-ion battery

Dual dust-proof chuck seal reduces dust ingress and chuck wear.
Safety clutch releases when the bit jams, cutting the reaction torque felt by the operator.
Isolated anti-vibration structure separates the handle from the mechanism for lower hand-arm vibration.
Electronic pulse control for more accurate hole starting.
Fully sealed circuit board resists site dust and moisture.
20V platform shared with the WORX 20V range; the kit ships with a 6A charger and two 6.0Ah battery packs.

Specifications

Model	WU399.2
Brand	WORX
Type	Cordless brushless rotary hammer (hammer drilling / rotation-only drilling)
Battery voltage	20V
No-load speed	0-1250 rpm
Impact rate	0-4800 bpm
Impact energy	5.0 J
Max drilling capacity	Concrete 26mm
Optimal bit diameter	6-10mm
Battery capacity	6.0Ah
Charger	6A
Weight	Approx. 5.2 kg (with 6.0Ah battery)
Motor	Brushless

What's in the Box

WORX WU399.2 20V brushless cordless rotary hammer x1
20V 6.0Ah lithium-ion battery x2
6A charger x1
Auxiliary handle x1
Tool bag x1

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Contact the supplier if you need a datasheet, certificate, or another technical document.

Reviews & Q&A

No reviews yet. Be the first to review this product.

Features & Benefits

Brushless motor and large-bore cylinder

Two modes: hammer drilling and rotation-only drilling

Switch between hammer drilling (rotation plus impact) and rotation-only drilling to suit the material, covering both concrete anchoring and timber or metal holes with a single tool.

Dual dust-proof chuck seal reduces dust ingress and chuck wear.
Safety clutch releases when the bit jams, cutting the reaction torque felt by the operator.
Isolated anti-vibration structure separates the handle from the mechanism for lower hand-arm vibration.
Electronic pulse control for more accurate hole starting.
Fully sealed circuit board resists site dust and moisture.
20V platform shared with the WORX 20V range; the kit ships with a 6A charger and two 6.0Ah battery packs.

Specifications

Model	WU399.2
Brand	WORX
Type	Cordless brushless rotary hammer (hammer drilling / rotation-only drilling)
Battery voltage	20V
No-load speed	0-1250 rpm
Impact rate	0-4800 bpm
Impact energy	5.0 J
Max drilling capacity	Concrete 26mm
Optimal bit diameter	6-10mm
Battery capacity	6.0Ah
Charger	6A
Weight	Approx. 5.2 kg (with 6.0Ah battery)
Motor	Brushless

What's in the Box

WORX WU399.2 20V brushless cordless rotary hammer x1
20V 6.0Ah lithium-ion battery x2
6A charger x1
Auxiliary handle x1
Tool bag x1

Reviews & Q&A

No reviews yet. Be the first to review this product.

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WORX WU399.2 20V 26mm Brushless Cordless Rotary Hammer Kit (2 x 6.0Ah Batteries + 6A Charger)

JACO自營旗艦店

Reviews & Q&A

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WORX WU399.2 20V 26mm Brushless Cordless Rotary Hammer Kit (2 x 6.0Ah Batteries + 6A Charger)

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