Name: WORX WU399.9 26mm Cordless Brushless Rotary Hammer
Brand: Worx
SKU: WORX-WU3999
Price: 950 HKD
Availability: InStock

Product Overview

The WORX WU399.9 26mm Cordless Brushless Rotary Hammer combines high performance with durability, designed for professionals. Its core highlight is the efficient brushless motor, which not only provides excellent power output but also significantly enhances energy conversion efficiency and tool lifespan. With a maximum drilling capacity of 26mm, it is particularly suitable for processing high-hardness building materials like concrete. Coupled with a large-diameter cylinder, it ensures powerful penetration with every impact, greatly reducing work time. The design features a split anti-vibration structure to effectively reduce hand vibration and improve comfort during prolonged use. The fully enclosed circuit board design offers comprehensive dust protection, ensuring the safety and stable operation of electrical components. This rotary hammer also functions as a chisel drill and chisel, expanding its application range and making it an ideal tool for multi-tasking operations, indispensable professional equipment in construction, installation, and maintenance fields.

Key Features

Brushless motor provides excellent power and long-lasting endurance
26mm drilling capacity, suitable for concrete and other hard materials
Large-diameter cylinder design ensures strong impact energy (5 Joules)
Split anti-vibration structure significantly reduces operating vibration
Fully enclosed circuit board effectively prevents dust ingress, improving reliability
Dual dust-proof chuck further protects internal parts
Safety clutch release function enhances operational safety
Chisel drill/chisel dual-use design expands application range

The brushless motor technology of the WORX WU399.9 Rotary Hammer not only brings higher efficiency and longer battery life but also means less mechanical wear and lower maintenance costs, which is crucial for professional users who rely on their tools for high-intensity work. Its 5 Joules of impact energy, combined with the optimized cylinder design, results in excellent drilling speed, especially when handling larger diameter holes or applications requiring multiple impacts, significantly improving work efficiency. The dual dust-proof chuck and fully enclosed circuit board design together form a robust protective barrier, ensuring stable operation even in dusty or harsh environments. The split anti-vibration structure, from an ergonomic perspective, reduces operator fatigue, allowing them to focus more on precise work. These carefully designed features collectively shape a high-performance, highly reliable, and user-friendly professional-grade rotary hammer.

Specifications

Brand	WORX
Model	WU399.9
Product Type	Rotary Hammer
No-load Speed	1250 rpm
Impact Frequency	4800 bpm
Impact Energy	5 Joules
Drilling Capacity	Concrete 26mm
Optimal Drill Bit Diameter	6-10mm
Battery Type	Lithium-ion
Battery Capacity	6.0AH
Charging Time	120 minutes
Machine Weight	5.2kg (with 6.0Ah battery)
Primary Use	Concrete Drilling
Motor Type	Brushless Motor
Chuck Protection	Dual Dust-Proof Chuck
Vibration Reduction	Split Anti-Vibration Structure Design
Circuit Board Protection	Fully Enclosed Circuit Board
Safety Protection	Safety Clutch Release
Function Modes	Chisel Drill/Chisel Dual Use
Package Contents	26mm Cordless Brushless 3-Mode Rotary Hammer x1, 6.0Ah Lithium Battery x2, 6A Charger, Tool Bag

Product Overview

Key Features

Brushless motor provides excellent power and long-lasting endurance
26mm drilling capacity, suitable for concrete and other hard materials
Large-diameter cylinder design ensures strong impact energy (5 Joules)
Split anti-vibration structure significantly reduces operating vibration
Fully enclosed circuit board effectively prevents dust ingress, improving reliability
Dual dust-proof chuck further protects internal parts
Safety clutch release function enhances operational safety
Chisel drill/chisel dual-use design expands application range

Specifications

Brand	WORX
Model	WU399.9
Product Type	Rotary Hammer
No-load Speed	1250 rpm
Impact Frequency	4800 bpm
Impact Energy	5 Joules
Drilling Capacity	Concrete 26mm
Optimal Drill Bit Diameter	6-10mm
Battery Type	Lithium-ion
Battery Capacity	6.0AH
Charging Time	120 minutes
Machine Weight	5.2kg (with 6.0Ah battery)
Primary Use	Concrete Drilling
Motor Type	Brushless Motor
Chuck Protection	Dual Dust-Proof Chuck
Vibration Reduction	Split Anti-Vibration Structure Design
Circuit Board Protection	Fully Enclosed Circuit Board
Safety Protection	Safety Clutch Release
Function Modes	Chisel Drill/Chisel Dual Use
Package Contents	26mm Cordless Brushless 3-Mode Rotary Hammer x1, 6.0Ah Lithium Battery x2, 6A Charger, Tool Bag

JACO自營旗艦店

WORX WU399.9 26mm Cordless Brushless Rotary Hammer

JACO自營旗艦店

Product Overview

Key Features

Specifications

Reviews & Q&A

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WORX WU399.9 26mm Cordless Brushless Rotary Hammer

JACO自營旗艦店

Product Overview

Key Features

Specifications

Reviews & Q&A