Maxmech Cordless Rotary Hammer URH 20-28 28mm
KSh 16,500.00
Key Features
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SDS-Plus Quick-Change Chuck: Provides a secure, tool-free lock for SDS-Plus bits while allowing the bit to slide axially to maximize impact energy delivery directly into the masonry.
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4-in-1 Mode Selection Dial:
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Rotary Drilling: For smooth drilling in wood and metal (using an optional SDS-to-keyed chuck adapter).
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Hammer Drilling: Combines rotation with intense pneumatic hammering for rapid concrete penetration up to 28mm.
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Chiseling Only: Stops bit rotation, delivering pure hammer force for tile removal and light demolition.
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Chisel Angle Adjustment: Rotates flat chisels to preferred working angles before locking into chisel mode.
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Vibration Control & Auxiliary Handle: Features an ergonomic 360-degree adjustable side handle with a depth gauge rod to maintain uniform hole depths and reduce fatigue during overhead drilling.
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Safety Clutch: Disengages the motor drive if the bit binds unexpectedly, protecting the motor and preventing sudden wrist torque.
Maxmech URH 20-28 is a heavy-duty 20V cordless SDS-Plus rotary hammer drill engineered for high-impact drilling and chiseling in reinforced concrete, stone, and solid masonry. Built around a pneumatic hammer mechanism, it delivers significantly higher impact energy per blow than standard impact driver drills.
Technical Specifications
| Specification | Details |
| Model | URH 20-28 |
| Voltage Rating | 20V Max |
| Chuck System | SDS-Plus (Slotted Drive System) |
| Max Drilling Capacity | Concrete: 28 mm (1.1 inches) |
| Motor Type | High-Torque Brushless Motor |
| Impact Energy | Approx. 2.5–3.0 Joules per stroke |
| No-Load Speed | 0–1,000 RPM |
| Impact Rate | 0–4,500 BPM |
| Operating Modes | 4 Modes: Drilling, Hammer Drilling, Chiseling, Chiseling Angle Adjust |
| Power Source | 20V High-Capacity Lithium-Ion Battery (4.0Ah recommended) |
| Weight | 10 kg |
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