4 inch angle grinder details
Rockwood® 4 Inch Air Angle Grinder (31818)
Rockwood® 4 Inch Air Angle Grinder (31818) provides exceptional power and durability, ideal for various grinding applications. Featuring a high-torque ball bearing motor, this tool delivers reliable, smooth operation for tough tasks. The integrated variable speed control and removable auxiliary handle ensure precision and comfort during extended use.
This air angle grinder operates at a free speed of 10,000 RPM, making it perfect for efficient grinding on metal surfaces and more. Built for durability and ease of use, the Rockwood® 4 Inch Air Angle Grinder is designed to meet the demands of professional and hobbyist workspaces alike.
Specifications and Dimensions
RPM: 10,000 free speed
Air Consumption: 6 CFM [170 L/min] @ 90 PSI [6.2 bar]
Inlet Thread Size: 1/4” FNPT
Required Grinding Wheel: 4” diameter, 10,000 RPM
Arbor Diameter: 5/8” [16mm]
Motor Type: Variable speed, ball bearing air motor
Key Features and Benefits
High-torque ball bearing air motor for smooth, reliable operation
Variable speed control with progressive paddle trigger
Ergonomic design with removable auxiliary handle for added comfort
Product identification
- Brand: Rockwood
- Model / MPN: 31818


