Makita 9553NB 4-Inch 710 Watts Angle Grinder Hand Cutter

Technical Specifications:

• Continuous Rating Input: 1,400W
• Wheel Diameter: 125 mm (5″)
• No Load Speed (RPM): 12,000
• Dimensions (L x W x H): 299 x 139 x 103 mm (11-3/4″ x 5-1/2″ x 4-1/16″)
• Net Weight: 2.4 – 3.5 kg (5.2 – 7.7 lbs.)
• Power Supply Cord: 2.5 m (8.2 ft)

Key Features:

• Super Joint System (SJS): Mechanical clutch system helps prevent motor and gear damage by allowing the drive shaft to slip if the wheel is forced to stop.
• Anti-Restart Function: Prevents accidental start-up for added safety.
• High Power Anti-Dust Motor: Compact design with a small circumference barrel grip for comfortable handling.
• Tool-Less Quick Guard Adjustment: Allows for fast and easy adjustments without tools.
• Labyrinth Construction: Seals motor and bearings from contamination, enhancing durability.
• Constant Speed Control: Maintains a constant speed under load for consistent performance.
• Soft Start: Provides smooth start-ups and reduces tool kickback.
• Dust Extraction Capability: Can be connected to a Makita vacuum cleaner with an optional dust collecting wheel guard.
• Push Button Spindle Lock: Facilitates easy and quick blade changes.
• Wheel Cover: Protects the operator from accidental scattering of broken wheels or workpieces with minimal wheel cover movement.
• Double Insulated: Ensures additional safety during operation.

Vibration and Noise Levels:

• Vibration Level:
  • Surface Grinding with Normal Side Grip: 8.0 m/s²
  • Surface Grinding with Anti-Vibration Side Grip: 7.5 m/s²
  • Disc Sanding: 2.5 m/s² or less
• Vibration K Factor:
  • Surface Grinding with Normal Side Grip: 1.5 m/s²
  • Surface Grinding with Anti-Vibration Side Grip: 1.5 m/s²
  • Disc Sanding: 1.5 m/s²
• Sound Pressure Level: 82 dB(A)
• Sound Power Level: 93 dB(A)
• Noise K Factor: 3 dB(A)