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 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. High-Impact Speed: Operating at 1850 BPM, this tool ensures fast progress through hard materials, significantly reducing work time on-site. 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. 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. 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? 1x SMT-6390 Demolition Hammer 1x Auxiliary Handle (for better grip and control) 1x Point Chisel (30x410mm) 1x Flat Chisel (30x410mm) 1x Pair of Carbon Brushes 1x Oil Tube Packaging: Heavy-duty BMC (Blow Mold Case) outer carton box for secure transport.

Specification

Demolition Hammer 65mm SMT-6390 GM-100
Measuring Range 1.2 ~ 225.0 mm (Steel)
Resolution 0.1 mm
Accuracy ±(1%H+0.1) mm (H denotes measured thickness of the object)
Display Four-digit LCD display
Working Frequency 5 MHz
Sound Velocity Range: 1000 to 9999 m/s
Minimum limit for tube measuring Ø 20 × 3 mm (Steel)
Features Inverse sound velocity with known thickness
Measuring range by known thickness 1000 to 9999 m/s. (Thickness of the test block must be less than 20 mm to measure speed of sound)
Operating Temp. 0 to 40°C
Power Source 3 × 1.5 V (AAA)
Dimensions 72 × 146 × 29 mm
HSN 90318000
Price

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