Makita has released eight new grinding solutions for construction projects. The release includes five 5-in. grinders and three 4.5-in. grinders providing options for a range of applications.
“Makita is excited to announce more solutions in the compact industrial segment with eight new powerful grinders in the GA45 and GA50 series,” said Rufus Richardson, senior product manager, commercial power tools, Makita U.S.A. Inc. “This recent addition will further add to Makita’s great history and legacy, while offering users more options.”
Features and Operation
The new GA45 and GA50 series grinders feature Makita’s SJS II Technology. SJS II is a mechanical gear drive system that helps prevent motor and gear damage by dampening the force and releasing the gears when the wheel is forced to stop. And since it’s a mechanical feature (not electronic), SJS II does not require a restart after the wheel binds. SJS II utilizes a leaf spring and cam gear drive mechanism that is engineered to minimize vibration during extended use.
“The combination of high power with lower vibration is unique in the compact industrial grinder category,” said Richardson. “This class of grinder is targeted at commercial applications in the oil and energy industries, shipbuilding, and more, and users in this category often utilize grinders for long periods of time. Lower vibration means increased comfort for pro users in these industries. Lower vibration is also engineered for increased accuracy, which is key in precision cutting applications like stone work and countertops.”
All the recently released grinders feature a 15-amp motor that delivers output and up to 11,500 rpm for a variety of applications. Tool life is achieved through the use of labyrinth construction seals that protect the motor and bearings from dust and debris. The grinders feature a “tool-less” wheel guard for adjustment.
GA45 Series 4.5-in. SJS II High-Power Angle Grinders
- GA4590: Features a variable speed control dial that allows the user to adjust rpm from 2,800 to 11,500 to match the speed to the application
- GA4591: Features a variable speed control dial that allows the user to adjust rpm from 2,800 to 11,500 to match the speed to the application and a mechanical brake that stops the wheel in under 2.5 seconds
- GA4595: Features a paddle switch
GA50 Series 5-in. SJS II High-Power Angle Grinders
- GA5090: Features a variable speed control dial that allows the user to adjust rpm from 2,800 to 11,500 to match the speed to the application
- GA5091: Features a variable speed control dial that allows the user to adjust rpm from 2,800 to 11,500 to match the speed to the application and a mechanical brake that stops the wheel in under 2.5 seconds
- GA5092: Features a slide switch with lock-on for continuous use
- GA5093: Features a variable speed control dial that allows the user to adjust rpm from 2,800 to 11,500 to match the speed to the application, a mechanical brake that stops the wheel in under 2.5 seconds and a paddle switch with lock-on for continuous use
- GA5095: Features a paddle switch with lock-on for continuous use
