Makita GA5020Y SJS 5" Cutoff Angle Grinder 10.5Amp

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Item Number:MAKGA5020Y
Stock Number:GA5020Y
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Makita GA5020Y SJS 5" Cutoff Angle Grinder 10.5Amp

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The GA5020Y includes:

  • 1x Makita GA5020Y 5" SJS Angle Grinder, with AC/DC Switch
  • 1x Makita A-95962 5" x 1/4" x 7/8" INOX Grinding Wheel, 36 Grit
  • 1x Makita 135108-2 5" Tool-less Wheel Guard
  • 1x Makita 193465-4 Lock Nut
  • 1x Makita 782424-9 Lock Nut Wrench
  • 1x Makita 224399-1 Inner Flange
  • 1x Makita 153504-2 Side Handle


  • Powerful 10.5 AMP motor delivers 11,000 RPM to handle the most demanding applications
  • SJS technology is a mechanical clutch system that helps prevent motor and gear damage by allowing the drive shaft to slip if the wheel is forced to stop
  • Electric brake for maximum productivity
  • No lock-on feature for more convenience
  • "Tool-less" wheel guard for more convenient adjustments
  • Spiral bevel gears for smoother rotations and a more efficient transfer of energy
  • Zig-zag varnish protects the armature coil from dust and debris for longer motor life
  • Labyrinth construction prevents debris from penetrating the motor, bearings and gears for longer tool life

Makita's 5" SJS Angle Grinder combines 10.5 AMP power with comfort and motor-protection features for longer-lasting industrial performance. The GA5020Y is engineered with Makita's innovative SJS mechanical clutch system to protect the gears for longer tool life.

The GA5020Y is powered by a 10.5 AMP motor that delivers 11,000 RPM, with electric brake for maximum productivity. Labyrinth construction protects the motor with a complex set of channels, prohibiting dust and contamination. In addition, the protective zig-zag varnish seals the motor and bearings from dust and debris by creating a barrier under rotation. The GA5020 is engineered with SJS mechanical clutch system, an innovation from Makita that protects the gears by automatically disengaging the motor should the grinding wheel accidentally catch or bind.

The GA5020Y weighs only 5.9 lbs. and is built with comfort and ergonomic features for extended use, including an ergonomic rubberized rear handle with trigger switch. In addition, the side handle can be easily installed on either side of the tool. It is a versatile and powerful grinder engineered for demanding applications including cutting, ferrous metal, paint and rust removal, shipyard maintenance, heavy machinery, metal polishing, general steel grinding, auto repair work, cutting brick and masonry, and restoration work. The grinder is built for welders, fabricators, plumbers, masons, electricians, automotive technicians, stone and tile workers, HVAC, and general contractors.


  • Externally accessible brushes for greater serviceability
  • AC/DC switch for use with alternative power source
  • No lock-on feature for more convenience

Tech Specs:

  • Brand: Makita
  • Model: GA5020Y
  • MPN: GA5020Y
  • UPC: 088381083089
  • Type: Angle Grinder
  • Wheel Diameter: 5"
  • Wire Cup Brush: 3-1/2"
  • AMPS: 10.5
  • No Load Speed: 11,000 RPM
  • Spindle Thread: 5/8" - 11 UNC
  • Lock-On: No
  • Lock-Off: Yes
  • Grinder Switch Type: Rear trigger switch
  • Overall Length: 14"
  • Cord Length: 8.2 feet
  • Net Weight: 5.9 lbs
  • Shipping Weight: 7.9 lbs
  • Package Qty.: 1

Makita Celebrates 100 Years of Innovation

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1 Reviews
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100% Recommend this product (1 of 1 responses)
By Robert
Russell Pa.
October 2, 2015
Makita 5 Inch Grinder
Good product , I have three different kinds an this is the best .
ProsPerfect size for what i do.

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