Dotco 12L2778-28 Right Angle Grinder | 4" Wheel Dia. | 0.9 HP | 14500 RPM | Composite Housing | Rear Exhaust

Built for aggressive material removal, weld preparation, and surface finishing, the Dotco 12L2778-28 Right Angle Grinder combines a 0.9 HP pneumatic motor with a 14,500 RPM free speed to deliver fast, controlled grinding performance. Designed to operate with a 4" grinding wheel, this grinder is well suited for fabrication, maintenance, and production environments where consistent stock removal and excellent maneuverability are required. Its right-angle configuration provides improved access around machinery, structural components, and confined workspaces.

The lightweight composite housing helps reduce operator fatigue during extended use, while the rear exhaust directs spent air away from the work surface for improved visibility. Part of Dotco's proven pneumatic grinder lineup, the 12L2778-28 offers the durability and control professionals expect for continuous industrial grinding and finishing applications.

Type: Right Angle Grinder | SKU: 12L2778-28 | Power: 0.9 HP | Wheel Capacity: 4" | Free Speed: 14,500 RPM | Housing: Composite | Exhaust: Rear | Spindle Thread: 3/8"-24 | Overall Length: 10.5" | Weight: 2.3 lbs

Features:

• 0.9 HP pneumatic motor delivers dependable power for demanding grinding applications.
• 14,500 RPM free speed supports efficient material removal and surface preparation.
• Designed for use with 4" grinding wheels for a wide range of industrial finishing tasks.
• Right-angle head improves accessibility when working around equipment, weldments, and structural components.
• Composite housing helps reduce tool weight while providing durability for daily industrial use.
• Rear exhaust directs airflow away from the operator and workpiece.
• Balanced design promotes controlled handling during extended grinding operations.

Made in USA:

Applications:

• Grinding welds and preparing metal surfaces before coating or assembly.
• Removing excess material from fabricated steel and structural components.
• Cleaning castings, forgings, and machined parts during manufacturing.
• Maintenance and repair work in industrial plants, fabrication shops, and MRO facilities.
• General-purpose grinding and finishing where a compact right-angle grinder provides better access than straight-body tools.

FAQs:

• Q: What size wheel does the Dotco 12L2778-28 use?
  A: This grinder is designed for compatible 4" grinding wheels with a maximum operating speed equal to or greater than 14,500 RPM.
• Q: What are the benefits of a rear exhaust design?
  A: Rear exhaust directs spent air away from the operator and work surface, helping improve visibility while reducing debris around the grinding area.
• Q: Is the composite housing durable enough for industrial use?
  A: Yes. The composite housing provides a lightweight yet durable construction suitable for demanding manufacturing, fabrication, and maintenance environments.
• Q: Are grinding wheels included with this tool?
  A: No. Grinding wheels are sold separately so users can select the appropriate abrasive for their material and application.

Looking for more information about Dotco Grinder? Click here to view the Catalog.

Need help selecting the correct Dotco Grinders for your application? Please call (800) 608-5210 or email info@intlairtool.com