A long-lasting aluminum oxide abrasive in a unique composite of laminated cotton fiber in a rubber bond. GMX cuts and smooths in one operation, leaving a smooth, even finish. Discs can be dressed to conform to shape of workpiece. Mounted cylinders are popular for smoothing the inside of holes. Use 80 grit for deburring, 120 grit to remove parting lines and small burs, 180 and 320 grit for removing light scratches. Made in USA.

Available in two sizes:

1″ diameter x 1/16″ thick (in grits: 120, 180 and 320)

1″ diameter x 1/8″ thick (in grits 80, 120, 180, 320)

Use on our Screw Mandrels (see “Related Products” below). Maximum RPM: 36,290.