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Makita

Angle Grinder GA5091
  • Powerful & Versatile: 15 A motor delivers strong cutting/grinding performance at speeds from 2,800 to 11,500 RPM .

  • User Comfort: SJS™II mechanism + vibration-absorbing handle reduce fatigue during extended use.

  • Durable Design: Laminated epoxy armature, labyrinth-sealed motor, enlarged cooling fins, spiral bevel gears, and full-aluminum gear casing protect internal parts.

  • Control & Safety: Slide switch with lock-on, soft-start, constant speed under load, current limiter, mechanical brake stops wheel in under 2.5 seconds, and Anti-Restart feature

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The GA5091 is a robust, corded 5″ (125 mm) angle grinder engineered for industrial use. It combines a high-output 15 A motor, variable-speed control, and built-in safety features like mechanical brake and Anti-Restart, all wrapped in Makita’s vibration-reducing SJS™II casing
  • 15 A high-output motor with variable speed up to 11,500 RPM
  • SJS™II leaf-spring + cam-gear vibration damping
  • Vibration-absorbing auxiliary handle
  • Slide switch with lock-on (continuous operation)
  • Mechanical brake stops wheel in <2.5 s
  • Soft-start and current limiter protect motor
  • Constant-speed electronic control
  • Tool-less wheel guard adjustability
  • Anti-Restart protection after power interruption
  • Dust-sealed labyrinth motor and robust cooling design
  • Zig-zag epoxy on armature, spiral bevel gears, and all-aluminum gear housing for durability
  • Continuous Input Power: 1900 W

  • No Load Speed: 2,800 – 11,500 RPM

  • Grinding Disc Diameter: 125 mm (5″)

  • Spindle Thread: M14 (5/8″–11 UNC)

  • Bore Size: 22.23 mm

  • Mechanical Brake: Yes (stops wheel in less than 2.5 seconds)

  • Variable Speed Control: Yes

  • Soft Start & Constant Speed Control: Yes

  • Anti-Restart Function (NVR): Yes

  • Tool-less Wheel Guard Adjustment: Yes

  • Sound Power Level (LWA): ~101 dB(A) (estimated)

  • Vibration Reduction: SJS™II system + vibration-absorbing side handle

  • Dust Protection: Labyrinth construction + zig-zag armature coating

  • Gear System: Spiral bevel gears with all-aluminum housing

  • Weight (Without Cable): ~2.6 kg

  • Product Dimensions (L × W × H): Approx. 302 mm length (~11-7/8″)

  • Standard Accessories: 5″ INOX grinding wheel, tool-less guard, inner flange, lock nut, wrench, side handle

  • 1 × GA5091 Angle Grinder

  • 1 × 5″ × ¼″ × ⅞″ INOX grinding wheel (36 grit)

  • 1 × Tool-less wheel guard

  • 1 × Inner flange

  • 1 × Lock-nut and wrench

  • 1 × Side auxiliary handle