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The CGW 39908 is an aluminum oxide flap wheel designed for grinding, blending, and finishing on metal surfaces. Measuring 1 inch in diameter by 1 inch wide with a 1/4-inch shank, it mounts directly to die grinders and drill presses without adapters. The 60-grit aluminum oxide construction removes material aggressively while leaving a consistent surface profile. Firm backing keeps the wheel stable under load, reducing chatter and maintaining even contact across the workpiece. Each box contains 10 wheels, making it practical to stock for ongoing fabrication or maintenance work. Metalworkers, welders, and maintenance technicians are the primary installers of this consumable abrasive.
This flap wheel suits deburring weld seams, cleaning pipe ends, removing rust and scale, and blending transitions on mild steel, stainless steel, and aluminum. The 1/4-inch shank fits the collets found on standard die grinders used in fabrication shops, plumbing rough-in, and HVAC sheet metal work. The 60-grit rating positions it as a medium-aggressive option for stock removal before finishing passes with finer grits. It is sold in a box of 10, which suits job-site replenishment and tool crib stocking.
Designed for use in 1/4-inch collet die grinders and drill presses commonly used in metal fabrication, plumbing, HVAC sheet metal, and general maintenance applications.
Installation is performed by machinists, fabricators, welders, and trade professionals using die grinders or drill presses. Confirm the tool spindle speed does not exceed the rated RPM of the wheel before mounting. Always wear appropriate eye protection and follow ANSI B7.1 safety standards when operating abrasive wheels. Inspect the wheel for damage before each use and discard any cracked or delaminated units.
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