Product Details
3M™ Microfinishing Film Roll 372L measures 4 inches by 150 feet with a 3-inch core and features a 60 micron grit aluminum oxide micron roll resin bonded to a 5 mil polyester film backing. The backing includes a friction grip coating for slip resistance, ensuring effective handling during precision finishing of cylindrical surfaces such as automotive camshafts and crankshafts. The high-strength film backing combined with micron-graded aluminum oxide mineral delivers precise, uniform, close-tolerance finishes with fast cutting capability. This product comes in long-length rolls suitable for applications including fine finishing, powertrain microfinishing, and superfinishing.
