Order by 24/7 by web, contact our sales reps or call by phone.
What you need, when you need it, all in one place.
Most orders ship same day.
Advice and support from knowledgeable professionals.
Dynabrade DynaCut 320 grit triangular sanding sheet is a PSA-backed abrasive designed for use on Dynafine Detail Sanders DY57900, so it pairs directly with that detail sanding workflow without extra adaptation. The triangular shape with 6 holes is configured for dust extraction on compatible Dynafine sanders, helping keep the cut cleaner as you work intricate corners and profiles. The 320 grit aluminum oxide abrasive on this sheet delivers a fine, controlled cut that is suited to intermediate or finish sanding steps. Because the abrasive is designed as sharp and free cutting, it removes material efficiently at this fine grit, which helps refine surfaces while limiting unnecessary passes.
The sheet format is identified as a triangle disc with PSA and 6 holes, so it is tailored for triangular hook pads on Dynafine Detail Sanders DY57900 that use a matching 6-hole dust pattern. The pressure sensitive adhesive backing lets the sheet press onto the sander pad without clamps, which speeds up sheet changes when moving between grits or replacing a worn sheet. Because the grit is 320, this sheet serves well where a fine, controlled cut is needed after coarser grits, helping refine the surface before final finishing steps. The triangular format reaches into corners, along edges and into tight areas that are difficult for round discs, so detail work on joinery, profiles or trim is supported by the shape.
The Dynabrade DynaCut 320 grit triangular 6-hole PSA aluminum oxide sanding sheet is positioned for broad use on hard and soft woods, plastics, fiberglass, composites and fabricated metals, so one abrasive can support many stages of fabrication and finishing in the same workspace. Its role as a good choice for sanding wood, metal, aluminum, composites, solid surface materials and primed or painted surfaces means it can bridge from shaping base materials to preparing coated pieces between finish coats. When used on Dynafine Detail Sanders DY57900, the triangular shape and matching 6-hole pattern let the tool reach into corners and along narrow trim while still benefiting from dust extraction through the holes. On solid surface or primed and painted parts, the 320 grit cut refines earlier sanding marks and readies the surface for subsequent coating or polishing steps while staying within a fine-grit range.
The premium P grade aluminum oxide abrasive is described as sharp and free cutting, so it maintains an aggressive cutting action for a 320 grit while helping reduce the passes needed to reach a uniform finish across different materials. Because the C weight paper backing is both durable and moderately flexible, it holds up when working across edges or small radii yet still bends enough to follow light contours without excessive cracking, which supports consistent contact and scratch patterns. The non contaminating, non-loading coating resists clogging, so resinous woods, soft plastics or fresh coatings shed from the abrasive face more readily, allowing the sheet to keep cutting instead of glazing over. In real use this extended disc life reduces sheet changes and keeps the Dynafine detail sander working longer between changeovers on repetitive production runs or extended refinishing tasks.
The sheet uses premium P grade aluminum oxide, which provides a sharp, free-cutting action that helps remove material efficiently while maintaining a consistent fine 320 grit finish.
This sanding sheet is used with Dynafine Detail Sanders DY57900, so its triangular shape and 6-hole pattern match that tool's pad and dust extraction layout.
The sheet is designed for hard and soft woods, plastics, fiberglass, composites, fabricated metals, aluminum, solid surface materials and primed or painted surfaces, supporting varied shop and jobsite tasks.
The C weight paper backing is durable yet moderately flexible, so it resists tearing at edges while still conforming to light contours during detail or profile sanding.
The non-loading, non contaminating coating helps resist clogging when sanding soft materials and coatings, so the sheet keeps cutting effectively and disc life is increased.
The 320 grit rating fits intermediate to finish sanding, refining surfaces after coarser grits and preparing wood, metal or coated parts for further finishing steps.
The Dynabrade DynaCut 320 grit triangular 6-hole PSA aluminum oxide sanding sheet ties directly to Dynafine Detail Sanders DY57900, so it fits established detail-sanding workflows. Its premium P grade aluminum oxide abrasive, C weight paper backing and non-loading coating all support efficient cutting and extended disc life across wood, metal, composites and coated surfaces. For detail work that moves from bare material to primed or painted parts, this single 320 grit triangular sheet provides a consistent, fine cut that helps maintain surface quality from one step to the next.
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 |