• 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.
• Rubberized soft grip handle provides increased operator comfort.
• Rear handle trigger switch with no lock-on feature.

Product Description ------------------- Makita’s 5” SJS™ angle Grinder combines 10.5 amp power with comfort and motor-protection features for longer-lasting industrial performance. The GA5020 is engineered with Makita’s innovative - SJS technology is a mechanical clutch system that helps prevent motor and gear damage .com ---- Makita's 5-Inch SJS Angle Grinder (model GA5020) combines 10.5 amp power with comfort and motor-protection features for longer-lasting industrial performance. The GA5020 is engineered with Makita's innovative Super Joint System (SJS) to protect the gears for longer tool life. 10.5 AMP Motor Delivers 11,000 RPM The GA5020 is powered by a 10.5 amp motor that delivers 11,000 rpm, with electric brake for maximum productivity. The labyrinth construction seals and protects the motor and bearings from dust and debris for longer tool life. In addition, the armature is sealed by a protective zig-zag varnish which prevents contamination by creating a barrier under rotation.Super Joint System (SJS) Protects the Gears The GA5020 is engineered with SJS, an innovation from Makita that protects the gears by automatically disengaging the gears from the motor should the grinding wheel accidentally catch or bind. Comfort and Ergonomics The GA5020 weighs just 5.9 pounds and is built with comfort and ergonomic features for extended use. The ergonomic rubberized handle with trigger switch provides easy operation, and the gear housing can be positioned every 90 degrees for operator convenience. In addition, the side handle can be easily installed on either side of the tool. Versatile Design for a Range of Applications The GA5020 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 seeking a best-in-class industrial quality angle grinder. The GA5020 is just another example of Makita's commitment to innovative technology and best-in-class engineering. About Makita's Super Joint System (SJS) Super Joint System (SJS) is an innovation from Makita engineering where the motor armature and spiral bevel gear are linked by a coil spring. If the grinding wheel catches or binds, the coil spring relaxes and disengages the gears from the motor. As the grinding wheel stops, the gears and motor are protected. Makita's growing line of SJS-equipped grinders includes models ranging from a 1/4-inch die grinder to a 7-inch angle grinder. About Makita Makita is a worldwide manufacturer of industrial quality power tools and offers a wide range of industrial accessories. Makita applies leading-edge innovation to engineer power tools that are more compact and energy efficient, yet deliver industrial strength power and results. Makita U.S.A., Inc. is located in La Mirada, California, and operates an extensive distribution network located throughout the U.S. For more information, please call 800/4-MAKITA (800/462-5482) or visit makitatools.com. Makita is Best in Class Engineering. Warranty Every Makita tool is thoroughly inspected and tested before leaving the factory. If you are not satisfied with any Makita tool within 30 days of purchase, return it and Makita will provide a replacement or refund. Each Makita tool is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during this one-year period, return the COMPLETE tool, freight prepaid, to one of Makita's Factory or Authorized Service Centers. Please see makitatools.com for complete details. What's in the Box Makita GA5020 5-Inch SJS Angle Grinder, 10.5 AMP includes: 5-inch grinding wheel, side handle, tool-less wheel guard, inner flange, lock nut, and lock nut wrench. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); From the Manufacturer --------------------- The Makita GA5020 5 inch angle grinder has SJS – Super Joint System, this engineering design helps prevent gear damage. The powerful 10.5 amp motor delivers more output for increased performance. There are externally accessible brushes for greater serviceability and an AC/DC switch for use with alternative power source. Side handle included offers better leverage and control. See more ( javascript:void(0) )