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Part Number: XAG03MB UPC: 088381807227 Weight: 19



• Automatic Speed Change™ technology adjusts speed and torque during operation for optimum performance

• The BL™ Brushless Motor eliminates carbon brushes, enabling the BL™ Motor to run cooler and more efficiently for longer life

• Efficient BL™ Brushless Motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge

• The electronically-controlled BL™ Brushless Motor efficiently uses energy to match torque and RPM to the changing demands of the application

• Compact and ergonomic design at only 14-1/4 in. long

• Weighs only 5.5 lbs. with battery for reduced operator fatigue

• Rubberized soft grip provides increased comfort on the job

• 3-stage L.E.D. gauge indicates battery charge level

• Slide switch with lock-on for operator convenience

• Soft start suppresses start-up reaction for smooth start-ups and longer gear life

• Spiral bevel gears for smoother rotations and a more efficient transfer of energy

• Anti-restart protection engineered to prevent motor start up when battery is inserted with switch locked on

• Efficient internal cooling is engineered for optimum performance

• Wire mesh intake covers are engineered to prevent debris from entering motor

• Features extreme protection technology (XPT™) which is engineered to provide increased dust and water resistance in harsh job site conditions

• 18V LXT® Lithium-Ion 4.0 Ah battery BL1840B features an integrated L.E.D. battery charge level indicator

• 18V LXT® Lithium-Ion 4.0 Ah battery BL1840B reaches a full charge in 40 minutes or less

• Equipped with Star Protection Computer Controls™ to protect against overloading, over-discharging and over-heating


• Grinding Wheel : 4-1/2"

• No Load Speed : 8,500 RPM

• Spindle Thread : 5/8" - 11 UNC

• Lock On Switch : Yes

• Lock-Off : No

• Grinder Switch Type : Body grip/slide

• Battery : 18V LXT® Lithium-Ion

• Variable speed control dial : No

Makita delivers corded grinding performance without the cord with the 18V LXT® Lithium-Ion Brushless cordless 4-1/2 in. Cut-Off/Angle Grinder (model XAG03MB). It's powered by a Makita Brushless Motor for longer run time, increased power and speed, and longer tool life. For the most demanding applications, Makita's exclusive Automatic Speed Change™ technology automatically adjusts speed and torque during operation for optimal performance. The 18V LXT® 4.0 Ah battery provides 35% more run time per charge than the 3.0 Ah battery (BL1830), yet it charges in only 40 minutes for less downtime and increased productivity. For added convenience, the battery features an integrated L.E.D. battery charge level indicator. The XAG03MB is ideal for grinding, cutting and sanding a wide range of materials including tile, concrete, pipe, conduit, and more. It’s part of Makita's expanding 18V Lithium-Ion series, the world’s largest cordless tool line-up powered by an 18V Lithium-Ion slide-style battery. Makita 18V Lithium-Ion batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger. For improved tool performance and extended battery life, Makita created Star Protection Computer Controls™. STAR Protection is communication technology that allows the star Protection-equipped tool and battery to exchange data in real time and monitor conditions during use to protect against overloading, over-discharging and overheating. For increased versatility, the tool can also be powered by Makita 18V LXT® and compact Lithium-Ion batteries with the star symbol™ on the battery indicating STAR Protection inside. The 18V LXT® 4.0 Ah battery (BL1840) is compatible only with STAR Protection tools, indicated by the star symbol™ and/or yellow battery receiver under the tool.

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