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SurfPrep 5 inch 120 grit sanding disc uses a modified open-coat aluminum oxide grain that minimizes loading, so abrasive dust clears more easily and the disc keeps cutting instead of glazing over during repeated passes. The sacrificial stearate coating on the grain further resists loading, which supports consistent cutting action over a longer sanding cycle before discs need to be changed. A 120 grit abrasive cut suits general finish sanding, so it bridges between leveling surfaces and preparing for subsequent finishing steps. The aluminum oxide grain is designed for efficient stock removal with controlled scratch, which supports a predictable surface profile for downstream work. The disc size of 5 inches with 5 holes aligns with common random-orbit sanding patterns, which aids dust extraction and helps maintain a cleaner work area during sanding passes.
The film backing on this 5 inch aluminum oxide sanding disc supports consistent finish sanding, so once the disc is secured to a compatible 5 hole pad, each orbit tracks evenly without backing irregularities affecting the cut. The 5 hole layout is designed for use on sanders that draw dust through matching holes, so when aligned on the pad, dust is pulled away from the abrasive surface more effectively. With 120 grit, the disc fits naturally into mid-stage or finish sanding sequences, so operators can move from coarser grits into this step to refine surfaces while still maintaining reasonable stock removal. The combination of minimized loading and tear resistance means discs stay usable through more passes, which allows sanding crews to maintain a steadier workflow on repetitive jobs.
This SurfPrep 5 inch 120 grit film sanding disc fits woodworking and related abrasive tasks where a 5 inch, 5 hole random-orbit style disc is standard, so it integrates with existing sanding tools using that pattern. The modified open-coat aluminum oxide grain helps on jobs where dust build-up would normally slow cutting, because the more open structure lets debris escape between particles as the pad orbits. The sacrificial stearate coating further supports this behavior in use, so operators can maintain steadier material removal instead of frequently swapping discs that have loaded up. With its 120 grit rating, the disc supports finish sanding stages that follow initial leveling, giving a surface that is prepared for subsequent finishing processes. The aluminum oxide grain works as a general-purpose abrasive within its grit range, supporting a variety of typical shop sanding needs.
The film backing that provides consistent finish sanding helps keep the abrasive flat and stable against the work surface, so the scratch pattern remains even across the full face of the disc as it wears. That same backing structure also contributes to a faster rate of cut, because the abrasive grains stay supported in contact with the material instead of flexing away, so each orbit removes material efficiently. Tear resistant construction contributes to longer life in real use, as the disc resists edge tearing when it overhangs workpieces or contacts corners during normal passes. The 5 hole pattern, when aligned to a matching pad, routes dust away from the sanding face as the tool operates, so abrasive particles on the surface are less likely to clog the coating and scratch unpredictably. Together, the minimized loading, controlled cut, and resistance to tearing support more repeatable sanding performance from disc to disc on routine shop work.
This SurfPrep disc uses modified open-coat aluminum oxide grain, which supports efficient cutting while allowing dust to clear from between particles during sanding.
The sacrificial stearate coating minimizes loading by reducing how quickly dust adheres to the abrasive surface, so the disc maintains its cutting ability longer in use.
The film backing provides consistent finish sanding and a faster rate of cut, so the abrasive stays flat and removes material efficiently with a uniform scratch pattern.
The disc is described as tear resistant for longer life, which helps it withstand edge contact and repeated passes without breaking down as quickly under normal sanding conditions.
The 120 grit rating suits finish sanding, placing this disc in a stage where surfaces are refined after coarser grits while still allowing measurable material removal.
The 5 hole pattern allows compatible sanders to pull dust through the disc, helping reduce surface loading and supporting cleaner, more consistent sanding passes.
This SurfPrep 5 inch 120 grit aluminum oxide sanding disc combines a modified open-coat grain, sacrificial stearate coating, film backing, and tear resistant construction, so it supports consistent finish sanding and longer usable life. The 5 hole configuration works with matching random-orbit pads to help manage dust at the point of contact. For jobs calling for 120 grit finish sanding on a 5 inch, 5 hole disc, this SurfPrep option offers a blend of controlled cut, minimized loading, and disc durability suited to repetitive shop use.
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