Makita Angle Sander GA7911 15 Amp 7 or 9 Inch Corded Power Tool (7000 RPM Heavy Duty Motor Metal Surface Finishing Steel Fabrication)

Makita GA7911 15-Amp 7" / 9" Heavy-Duty Angle Sander & Grinder

The Makita GA7911 15-amp heavy-duty angle sander and grinder executes high-production surface sanding, heavy stock removal, and weld smoothing on structural steel, castings, and metal fabrications utilizing a powerful 15.0-amp motor delivering 7,000 RPM. Engineered with rugged all-ball-bearing construction, spiral bevel gears for efficient energy transfer, and protective labyrinth dust channels with zig-zag armature varnish, this corded power tool withstands continuous industrial workloads. Outfitted with a lock-on switch for extended continuous operation, AC/DC switch compatibility for alternative generators, an 8-foot power cord, and a two-position adjustable side handle, it equips metal fabricators, shipyard welders, and industrial contractors with uncompromising production endurance and high-torque sanding performance.

Best Used For:

• Shipyard and Heavy Structural Steel Fabrication: Removing thick mill scale, smoothing large weld seams, and finishing massive steel plates in demanding industrial environments.
• Automotive Body and Collision Restoration: Stripping paint, leveling body filler, and smoothing large metal surfaces using 7-inch or 9-inch backing pads and sanding discs.
• Foundry and Casting Defect Removal: Grinding away surface imperfections, sand inclusions, and excess material on iron and steel casting runs.

Key Performance & Safety Features

• High-Production 15.0-Amp Motor: Industrial motor delivers 7,000 RPM of relentless rotational power designed specifically for continuous heavy-duty sanding and grinding tasks.
• Dual Wheel & Disc Capacity: Versatile spindle design accepts 7-inch or 9-inch grinding wheels and sanding discs when installed with the correct protective guard.
• Rugged Metal Housing Architecture: Heavy-duty metallic gear case safeguards internal bearings and spiral bevel gears against severe jobsite impact and thermal stress.
• Labyrinth Dust & Debris Protection: Specialized internal channels prohibit abrasive metal dust from penetrating the motor windings and ball bearings.
• Protective Zig-Zag Armature Varnish: High-temperature epoxy coating seals the armature coil wires against abrasive particles during high-speed rotation.
• AC/DC Switch Capability: Electrical switch versatility allows operation using alternative power sources and portable jobsite generators.

What's Included

• (1) Spindle Washer (261039-0)
• (1) Two-Position Adjustable Side Handle (152492-0)

Technical Specifications

Pro-Tip: When operating a heavy 15-amp angle sander with 9-inch wheels, maintain a two-handed grip using the adjustable side handle and support body weight evenly; let the weight of the sander do the cutting work to prevent motor overheating and operator fatigue.