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Demolition Hammer 65mm SMT-6390
The SMT-6390 (also known as Z1G-DS-90K) is a high-impact industrial demolition breaker engineered for heavy-duty destruction. With a massive 1700W motor and a staggering 60 Joules of impact energy, this machine is designed to crush high-strength concrete, asphalt, and reinforced structures with minimal effort.
Size and packaging guidelines
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| Specification | Chair | Armchair | Sofas |
| Height | 37" | 42" | 42" |
| Width | 26.5" | 32.5" | 142" |
| Depth | 19.5" | 22.5" | 24.5" |
| Assembly Required | No | No | Yes |
| Packaging Type | Box | Box | Box |
| Package Weight | 55 lbs. | 64 lbs. | 180 lbs. |
| Packaging Dimensions | 27" x 26" x 39" | 45" x 35" x 24" | 46" x 142" x 25" |
Description
SMT Professional Power Tools: 1700W Ultra-Power Demolition Breaker (Model SMT-6390)
The SMT-6390 (also known as Z1G-DS-90K) is a high-impact industrial demolition breaker engineered for heavy-duty destruction. With a massive 1700W motor and a staggering 60 Joules of impact energy, this machine is designed to crush high-strength concrete, asphalt, and reinforced structures with minimal effort.
Technical Specifications
| Feature | Details |
| Model Number | SMT-6390 / Z1G-DS-90K |
| Rated Input Power | 1700W |
| Voltage / Frequency | 220V / 50Hz |
| Impact Energy | 60 Joules (J) |
| Impact Rate | 1850 bpm (Blows Per Minute) |
| Tool Holder | HEX-GAN (Hexagonal Shank) |
| Function | Single Function (Demolition/Chiseling) |
| Machine Weight | 16 kg |
Key Performance Features
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Extreme 60J Force: Delivers a massive 60 Joules of energy per hit, making it one of the most powerful breakers in its weight class—perfect for breaking up thick slabs and foundations.
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High-Impact Speed: Operating at 1850 BPM, this tool ensures fast progress through hard materials, significantly reducing work time on-site.
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Industrial Power Cord: Equipped with a premium 3.0m rubber H07RN-F VDE cord and VDE plug, ensuring safety and durability in harsh outdoor and wet construction environments.
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HEX-GAN Bit System: Uses a robust hexagonal shank system to ensure maximum torque transfer and to prevent the chisel from slipping or rotating during heavy use.
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Complete Accessory Kit: Comes ready to work with both point and flat chisels (30x410mm), spare carbon brushes, and an oil tube for internal lubrication.
What’s Included in the Box?
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1x SMT-6390 Demolition Hammer
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1x Auxiliary Handle (for better grip and control)
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1x Point Chisel (30x410mm)
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1x Flat Chisel (30x410mm)
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1x Pair of Carbon Brushes
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1x Oil Tube
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Packaging: Heavy-duty BMC (Blow Mold Case) + outer carton box for secure transport.
Reviews (0)
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Technical Specifications
| Feature | Detail |
|---|---|
| Rated Power | 600W (High-Torque Motor) |
| Variable Speed | 700-3000 RPM (Precision Control) |
| Wood Cutting Depth | 65mm (2.5″) – Ideal for Thick Timber |
| Metal Cutting Depth | Steel: 6mm • Aluminum: 12mm • Plastic: 8mm |
| Bevel Cutting | 0-45° Left/Right (Angles Made Easy) |
| Voltage | 220V / 50Hz (PK/IN Compatible) |
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