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Dynabrade DynaCut 320 grit sanding sheet is a triangular, no hole, hook and loop aluminum oxide abrasive designed for detailed work where controlled stock removal and surface finish matter. The 320 grit cut refines surfaces after coarser grits, which helps prepare hard and soft woods, plastics, fiberglass, composites, and fabricated metals for uniform finishing. The premium P grade aluminum oxide grain is sharp and free cutting across this broad material range, so the sheet keeps cutting cleanly instead of glazing over early in the job. Its triangular shape works well in corners and tight areas when used with compatible detail sanders, letting you carry the same abrasive performance into spaces larger pads cannot reach. This sheet is built as an abrasive solution that bridges between shaping and final finishing on multi-material projects.
This triangular no hole hook and loop sheet is built to mount to hook and loop backing pads, so installers can position the sheet quickly and keep it secure during sanding. The Dynabrade reference to Dynafine Detail Sanders DY57900 identifies a tool style suited for this sheet, which points to use in detailed and profile sanding where the triangular shape reaches into corners and along edges. The C weight paper backing gives enough stiffness for flat work while still bending moderately along light curves, which supports consistent surface contact. Because the non-loading coating resists clogging on soft materials and coatings, the sheet keeps working longer between changes, supporting steady progress on prep and finishing passes.
This Dynabrade DynaCut 320 grit triangular sheet is designed for use where a pointed pad shape is needed, such as cabinet interiors, furniture corners, and tight joinery transitions on mixed-material projects. The hook and loop backing allows the sheet to be positioned on compatible triangular pads so the abrasive can work right up to edges without shifting, which is important when feathering into adjacent surfaces. Because the aluminum oxide grain is sharp and free cutting on wood, plastics, fiberglass, composites, and fabricated metals, the same sheet can move from wood face frames to composite panels or fabricated metal parts in the same workflow. This reduces interruptions for abrasive changes when jobs move between materials. The non-loading coating helps when sanding softer substrates and coatings, since reduced clogging maintains an even scratch pattern instead of smearing material across the work.
The combination of premium P grade aluminum oxide and a non-contaminating, non-loading coating is central to how this sheet performs on the job. The sharp grain cuts cleanly at 320 grit, so surfaces are refined rather than aggressively stripped, which is useful between coats on primed or painted surfaces and when leveling solid surface materials. The coating resists loading when sanding soft woods, plastics, and coatings, which lets the abrasive surface stay open and cutting instead of plugging. This supports longer disc life and more consistent finish quality across larger panels or multiple parts. The durable C weight paper backing resists tearing when working on edges and transitions, so the sheet stays intact while you apply the pressure needed for controlled material removal on wood, metal, aluminum, composites, and other shop materials.
This sanding sheet uses premium P grade aluminum oxide, which provides a sharp, free-cutting action across wood, plastics, fiberglass, composites, and fabricated metals for efficient material removal and surface refinement.
The 320 grit rating places this sheet in the fine sanding range, producing a refined surface that prepares wood, metal, aluminum, composites, and primed or painted surfaces for subsequent finishing steps.
The C weight paper backing is durable and resists tearing while remaining moderately flexible, which supports firm pressure on flat areas and controlled conformity on light contours without rapid breakdown.
The non-loading coating resists clogging when sanding soft materials and coatings, helping the abrasive stay open and cutting, which extends disc life and maintains a consistent scratch pattern.
This sheet is designed for hard and soft woods, plastics, fiberglass, composites, fabricated metals, aluminum, solid surface materials, and primed or painted surfaces, supporting multi-material shop workflows.
This triangular no hole sheet uses a hook and loop backing, so it engages compatible hook and loop pads securely while allowing quick changes during detail sanding operations.
The Dynabrade DynaCut 320 grit triangular no hole hook and loop aluminum oxide sanding sheet provides fine-cut performance on hard and soft woods, plastics, fiberglass, composites, fabricated metals, aluminum, solid surface materials, and primed or painted surfaces. Its premium P grade aluminum oxide, C weight paper backing, and non-loading coating work together to deliver consistent cutting, extended disc life, and controlled finishing in detailed areas. For shop work that moves between materials and requires precise sanding into corners and edges, this sheet offers a focused abrasive option built for detail sanders and refined surface preparation.
Sold In: 50 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each |  DY57900 Mfr# 57900 | Dynabrade Dynafine Kit Detail Air Kit Sander Rotary vane Motor with Triangle Hook and Loop Pad, Non-Vacuum, - 57900 |