Makita Angle Grinder GA4553R 4-1/2 Inch 11 Amp Paddle Switch (11000 RPM Non Removable Tool-Less Guard Soft Start Corded Metal Cutting)

In stock
SKU: GA4553R
Regular price $184.00 USD

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Makita GA4553R 4-1/2-Inch 11 Amp Corded Paddle Switch Angle Grinder with Non-Removable Guard

The Makita GA4553R 4-1/2-Inch Paddle Switch Angle Grinder is an industrial electric surface preparation tool engineered for high-volume weld grinding, structural metal beveling, and concrete scoring. Driven by a 11.0-amp motor operating at 11,000 RPM, this 6.0-pound corded grinder features a permanently attached non-removable tool-less wheel guard to comply with jobsite safety requirements. Outfitted with a two-stage no-lock-on paddle switch, an integrated lanyard tethering loop for high-altitude work safety, soft-start electronics, and anti-restart protection, this narrow barrel-grip machine utilizes labyrinth gear housing seals to isolate internal bearings from abrasive grinding dust.

Best Used For:

  • Structural Weld Grinding & Metal Beveling: Removing heavy weld seams and prepping steel plate edges using 4-1/2 inch grinding wheels at 11,000 RPM.
  • High-Altitude & Scaffolding Metal Fabrication: Operating safely on elevated scaffolding and aerial lifts using the built-in structural tether loop for lanyard tie-offs.
  • Masonry Tuckpointing & Concrete Scoring: Scoring concrete control joints and cleaning mortar joints with diamond blades while labyrinth seals protect drive bearings.

Key Performance & Safety Features

  • Permanently Attached Non-Removable Guard: Meets strict safety compliance codes by keeping the tool-less 4-1/2 inch wheel guard permanently fixed to the gear housing.
  • 11.0 Amp Industrial Motor Output: High-output motor maintains 11,000 RPM under heavy downward pressure to prevent wheel bogging during continuous cuts.
  • Integrated Lanyard Tether Loop: Built-in steel tether attachment point connects directly to safety lanyards to prevent accidental tool drops from elevated height.
  • Multi-Grip No-Lock-On Paddle Switch: Large paddle switch features a two-stage lock-off mechanism that permits comfortable engagement across multiple hand grips.
  • Anti-Restart & Soft-Start Protection: Electronic soft-start suppresses start-up torque, while anti-restart prevents motor spin-up if re-energized while switch is depressed.
  • Labyrinth Housing Dust Protection: Labyrinth seals and zig-zag epoxy coating protect armature coils and drive bearings from metal shavings and concrete dust.

What's Included

  • (1) Makita GA4553R 4-1/2" Paddle Switch Angle Grinder
  • (1) Permanently Attached 4-1/2" Tool-Less Wheel Guard (140N42-7)
  • (1) Rubberized Side Handle (158237-4)
  • (1) Inner Flange (224399-1)
  • (1) Lock Nut (224486-6)
  • (1) Lock Nut Wrench (782424-9)

Technical Specifications

Brand / Manufacturer Makita
Model / Part Number GA4553R
Motor Amperage & Voltage 11.0 Amps @ 120V AC / 60 Hz
No Load Operating Speed 11,000 RPM
Grinding Wheel Diameter 4.50 in. (114.3 mm / 4-1/2 in.)
Spindle Thread Size 5/8 in. - 11 UNC Standard Spindle
Switch Style & Safety Paddle Switch (Two-Stage Lock-Off / No Lock-On)
Safety Guard Type Non-Removable Permanently Attached Tool-Less Guard
Motor Electronics Soft-Start & Anti-Restart Protection Systems
Overall Tool Length 12.75 in. (323.85 mm / 12-3/4 in.)
Tool Net Weight 6.0 lbs (2.72 kg)
Shipping Total Weight 8.18 lbs (3.71 kg)
UPC Code 088381-887878
Pro-Tip: Depress the quick-guard lever to rotate the non-removable guard instantly to shield spark throw when switching positions from horizontal weld grinding to overhead beam chamfering.