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Dynabrade DynaCut 80 Grit triangular sanding sheet is an aluminum oxide abrasive on C-weight paper that levels and smooths a wide range of shop materials in one setup. The premium P grade aluminum oxide is sharp and free cutting, so it removes material efficiently on hard and soft woods, plastics, fiberglass, composites, fabricated metals, aluminum, solid surface materials, and primed or painted surfaces without excessive pressure. The triangular, no-hole format matches Dynafine Detail Sanders DY57900, so the sheet reaches into corners and tight profiles while keeping a consistent scratch pattern. The Cwt paper backing resists tearing while remaining moderately flexible, which helps the sheet hold up on edges and profiles yet still follow slight contours. This balance of cut and control supports dependable surface prep across mixed materials during cabinet, fixture, or repair work.
This Dynabrade DynaCut sheet uses a PSA backing over C-weight paper, so it bonds firmly to the Dynafine Detail Sanders DY57900 pad for consistent grip during sanding. The triangular, no-hole layout matches detail sander heads that rely on solid-face abrasives, which supports clean contact into corners, along profiles, and near edges. The durable yet moderately flexible backing lets the abrasive maintain flatness on broad surfaces while still adapting slightly as you feather repairs or transitions. Because the aluminum oxide is sharp and free cutting on many substrates, the same sheet can move from bare wood to primed or painted surfaces, metals, or composites in a sequence, which streamlines setup where multiple materials meet on a single assembly.
This 80 grit triangular sheet is designed for use with Dynafine Detail Sanders DY57900, giving that tool an abrasive matched to its pad and reach. On hard and soft woods, the premium P grade aluminum oxide levels mill marks and blends joints, preparing panels, frames, and edges for finer grits. On plastics, fiberglass, and composites, the sharp, free-cutting grain shapes and smooths without excessive heat buildup, which is important when sanding formed parts or bonded assemblies. On fabricated metals and aluminum, the same grain refines surfaces and removes light defects, so fixtures, trim, and hardware-related components reach a uniform finish before coating. On solid surface materials and primed or painted surfaces, the abrasive cut supports flattening and feathering, giving clean transitions between repair areas and surrounding material.
The durable Cwt paper backing resists tearing, so the sheet holds together during edge work and around corners, which reduces downtime from mid-task failures. Its moderate flexibility allows the abrasive to follow slight curves and detailed profiles, helping maintain an even scratch pattern instead of leaving flat spots on shaped parts. The non-contaminating, non-loading coating resists clogging when working on soft materials, coatings, or primed surfaces, so the abrasive face stays open and cutting longer, extending disc life. Because the sheet is PSA-backed and matched to a detail sander pad, it stays positioned under load, which helps keep scratch direction controlled and repeatable across parts. The combination of 80 grit cut and broad material compatibility means a single part number, 93983, can be standardized across many prep and repair operations, simplifying abrasive selection on the floor.
This sheet sands hard and soft woods, plastics, fiberglass, composites, fabricated metals, aluminum, solid surface materials, and primed or painted surfaces, so one abrasive part number can serve many shop tasks.
The non-loading coating resists clogging on soft materials and coatings, keeping the abrasive face open so cut rate stays more consistent and disc life is increased during extended sanding.
The Cwt paper backing resists tearing while remaining moderately flexible, so the sheet withstands edge work yet still follows light contours for a uniform scratch pattern.
This triangular no-hole PSA sheet is used with Dynafine Detail Sanders DY57900, matching the pad shape so abrasive coverage extends into corners and tight spaces.
The 80 grit rating provides a general-purpose cut suitable for initial leveling and shaping on wood, metals, composites, and coated surfaces before transitioning to finer finishing grits.
The premium P grade aluminum oxide is sharp and free cutting, so it removes material effectively across many substrates while maintaining a consistent scratch for follow-up sanding steps.
The Dynabrade DynaCut 80 Grit triangular no-hole PSA aluminum oxide sanding sheet combines a sharp, free-cutting abrasive with a durable Cwt paper backing and non-loading coating, so it supports steady material removal and controlled surface prep on wood, metals, composites, and coated surfaces. Its triangular format and PSA backing match Dynafine Detail Sanders DY57900, allowing accurate work into corners and detailed areas with consistent pad contact. For shops that handle mixed substrates and need one 80 grit detail sanding solution, this 93983 sheet offers a practical, standardized option for everyday prep and repair work.
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 |