Makita 9558HN Angle Grinder

Technical Specifications:

• Continuous Rating Input: 840W
• Wheel Diameter: 125 mm (5″)
• No Load Speed (RPM): 11,000
• Dimensions (L x W x H): 271 x 140 x 106 mm (10-5/8″ x 5-1/2″ x 4-3/16″)
• Net Weight: 1.7 – 3.2 kg (3.8 – 7.1 lbs.)
• Power Supply Cord: 2.5 m (8.2 ft)

Key Features:

• Anti-Restart Function: Prevents accidental start-up, enhancing safety.
• Soft Start: Provides smooth start-ups and reduces tool kickback.
• Reliable Machined Gears: Offer twice or more longer service life compared to standard gears.
• Powerful Motor: 840 W motor delivers high output power with 11,000 RPM.
• Compact Design: Features a small diameter barrel and lightweight construction for added comfort.
• Protective Zig-Zag Varnish: Seals the armature from dust and debris, extending tool life.
• Labyrinth Construction: Protects drive gear and bearings from contamination for longer durability.
• AC/DC Switch: Allows use with alternative power sources (country-specific).
• Thicker Coil Wires: Reduce heat and energy loss for improved efficiency.
• All-Ball Bearing Design and Metal Gear Housing: Ensure durability.
• Slide Switch with Lock-On: Enables continuous use for extended operations.
• Adjustable Side Grip: Can be positioned on both sides for convenience.
• Push Button Spindle Lock: Facilitates easy and quick blade changes.
• Rotatable Gear Housing: Adjusts for various cutting and grinding applications.
• O-Rings: Protect against grease leakage.
• Convenient Switch Lever: Positioned for one-hand operation.
• Woodruff Key: Assists in easier repair of the gear section.
• Dust Extraction Capability: Can be connected to a dust extraction system with an optional dust collecting wheel guard.
• Wheel Cover: Protects the operator from accidental scattering of broken wheels or workpieces.

Vibration and Noise Levels:

• Vibration Level:
  • Surface Grinding: 8.5 m/s²
  • Disc Sanding: 2.5 m/s² or less
• Vibration K Factor:
  • Surface Grinding: 1.5 m/s²
  • Disc Sanding: 1.5 m/s²
• Sound Pressure Level: 86 dB(A)
• Sound Power Level: 97 dB(A)
• Noise K Factor: 3 dB(A)