Makita M9509B 4″


Angle Grinder

100 mm (4″) 850 W Angle Grinder, Slide Switch

  • High performance and durability at less expense
  • Powerful 850W motor delivers 11,000 RPM for the most demanding applications
  • Machined bevel gears provide longer service life
  • Spiral bevel gears for smoother rotations and a more efficient transfer of energy
  • Slimmer barrel grip with easy gripping and handling
  • Compact and lightweight for high production work with less fatigue
  • Side grip is positioned at an increased angle for added comfort and control
  • Side grip can be installed on either side of the tool for operator convenience
  • Two action safety switch for preventing sudden accidental lock-on
  • Lock-on feature for continuous operation
  • Wheel cover protects operator from accidental scattering of broken wheel or workpiece with minimal wheel cover movement
  • Shaft lock for easy wheel changes
  • Double insulated


Continuous rating input :
Wheel Diameter :
100 mm (4″)

No Load Speed (RPM) :
Vibration Level :
Surface Grinding: 6.5 m/s²
Sound Pressure Level :
87 dB(A)
Sound Power Level :
98 dB(A)
Dimensions (L x W x H) :
276x118x101 mm (10-7/8″x4-5/8″x4″)
Net weight :
1.8 kg (3.9 lbs.)
Power supply cord :
2.0 m (6.6 ft.)

Additional information

Standard Accessories:

Side Grip, Lock Nut Wrench


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