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    Abrasive Discs
    1. Home
    2. Abrasives
    3. Abrasive Discs
    Item # DY91618 • Mfr # 91618

    Dynabrade DynaCut Extreme PSA Sanding Disc 5" 1200 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91618

    Description

    Dynabrade DynaCut Extreme Sanding Disc For Fine Work

    Dynabrade DynaCut Extreme sanding disc is a 5 inch, 1,200 grit coated abrasive disc built for fine finish sanding on professional jobs. The disc uses premium P graded aluminum oxide abrasives, which cut quickly while producing consistent scratch patterns, helping installers move cleanly from shaping to final finishing. The 1,200 grit grade supports very fine surface preparation, so parts are ready for finishing stages that demand uniform appearance. As an abrasive disc in the Abrasive Discs category, it fits directly into workflows that require predictable, repeatable surface results. The disc is manufactured on a high performance 3 mil film backing, so it resists tearing under normal sanding pressure and keeps the abrasive flat across the workpiece. This 5 inch format works well on tools designed for this size, keeping coverage efficient on cabinet components, panels, and similar substrates during detailed finishing passes.

    Key Sanding Disc Details That Streamline Work

    • The premium P graded aluminum oxide abrasive is designed for fast cut and long life, so users can remove material efficiently while staying on the same disc longer during extended sanding sessions.
    • The extremely tough, tear resistant high performance 3 mil film backing supports aggressive hand pressure and tool use without shredding, helping the disc hold together around edges and contours.
    • The film backing generates the finest finishes, which helps when a smooth, uniform surface is required ahead of coating or final assembly.
    • The disc uses a proprietary clog free coating that is pigment free, so abrasive performance is maintained while avoiding added color on the work surface.
    • The buildup resistant abrasive surface from the clog free coating further extends product life, reducing disc changes when sanding materials that tend to load abrasives.
    • The hook and loop attachment system makes disc changes quick and easy, allowing operators to swap grits or replace discs efficiently during staged sanding processes.

    Hook And Loop 5 Inch Disc Mounting And Use

    This 5 inch sanding disc relies on a hook and loop attachment system, so it mounts to compatible backing pads designed for this style. That connection allows the disc to be applied and removed repeatedly without adhesives, which supports switching between 1,200 grit and other steps during a sanding sequence. The no hole design gives a continuous abrasive surface across the full 5 inch face, which helps when users want uninterrupted contact on smaller workpieces or edges. Because the backing is a 3 mil film, the disc remains flat and stable on the pad, supporting uniform contact as the tool passes over the surface. The Dynabrade DynaCut Extreme identity and 91618 part number tie the disc to this specific configuration, so shops can reorder the same 1,200 grit, 5 inch, no hole film-backed disc whenever they need to keep a consistent finishing setup.

    How This Dynabrade Disc Fits Real Shop Work

    Where This Aluminum Oxide Film Disc Performs

    This aluminum oxide film sanding disc is part of the Abrasive Discs class, so it slots into sanding stations where coated abrasives are already standard. The 5 inch size works with sanders that accept this diameter, giving coverage suited to cabinet parts, drawer fronts, and similar components. With 1,200 grit, the disc focuses on fine finishing rather than heavy stock removal, so it fits late-stage sanding passes where surfaces need refinement before downstream operations. The premium P graded aluminum oxide abrasive means cutting speed stays productive even at this fine grade, which helps when technicians are blending surfaces while trying to stay on schedule. The no hole format presents continuous abrasive area, useful when operators want edge-to-edge contact on narrow pieces or transitions without aligning vent patterns.

    Why Construction And Coating Improve Repeatable Results

    The extremely tough, tear resistant 3 mil film backing lets the disc stay intact under side loads and around edges, which supports repeatable results because the abrasive area does not break down prematurely during normal use. This high performance film backing also holds the P graded aluminum oxide in a stable plane, helping each pass deliver the same scratch depth across the entire disc surface. The clog free, pigment free coating keeps debris from building on the abrasive, so cutting points stay exposed and the sanding feel remains consistent from the first part to later parts. That buildup resistant surface directly affects workflow by extending disc life up to 4X the life of paper discs, meaning fewer disc changes over a shift. The hook and loop attachment system allows operators to remove a disc that is not completely worn, store it, and return to it later, which supports grit management on multi-step sanding jobs. Together, these details help shops maintain a repeatable finishing process with predictable disc behavior and fewer interruptions.

    Common Questions About This Dynabrade Sanding Disc

    What type of abrasive is used on this disc?

    This Dynabrade DynaCut Extreme sanding disc uses premium P graded aluminum oxide, which delivers fast cut and long life for consistent sanding performance in fine finishing stages.

    How does the 3 mil film backing affect sanding?

    The 3 mil film backing is extremely tough and tear resistant, so the disc stays intact under normal pressure and contours, supporting stable, uniform finishes over more parts.

    What is the benefit of the clog free coating?

    The proprietary clog free coating provides a buildup resistant abrasive surface, so debris sheds more easily and disc life is extended during sanding of materials that load.

    How does the hook and loop attachment help workflow?

    The hook and loop sanding disc attachment lets users change discs quickly and save partially used discs, which supports organized grit changes and reduces downtime between steps.

    What finish level does the 1,200 grit provide?

    The 1,200 grit grade is suited to very fine finishing, so surfaces are smoothed and refined in preparation for stages that demand a uniform, high-level appearance.

    How does film backing life compare to paper discs?

    This high performance film backing generates the finest finishes and delivers up to 4X the life of paper discs, reducing how often abrasives need to be changed.

    Select This Disc For Consistent Fine Sanding Results

    The Dynabrade DynaCut Extreme sanding disc combines 1,200 grit P graded aluminum oxide, a tough 3 mil film backing, and a clog free coating to support fine finishing with extended disc life. The 5 inch, no hole layout and hook and loop attachment integrate smoothly into sanding stations already set up for this size, helping crews maintain a steady, predictable workflow on detailed finishing tasks.

    Diameter (in)
    5 in
    Attachment Type
    Hook and loop
    Grit
    1,200
    Hole Pattern
    No Hole
    Mineral
    Aluminum oxide
    Product Type
    Sanding Discs
    Vacuum Type
    Non-Vacuum
    Backing Weight
    Film
    Manufacturer Series
    DynaCut Extreme
    Supplier Pack Size
    1
    Sold In
    1
    Diameter (in)
    5 in
    Attachment Type
    Hook and loop
    Grit
    1,200
    Hole Pattern
    No Hole
    Mineral
    Aluminum oxide
    Product Type
    Sanding Discs
    Vacuum Type
    Non-Vacuum
    Backing Weight
    Film
    Manufacturer Series
    DynaCut Extreme
    Supplier Pack Size
    1
    Sold In
    1
    0Cart
    0Cart
    Dynabrade
    12040022060060800801,0001501001,2001,50018032040
    $37.05/Package
    Dynabrade DynaCut Extreme PSA Sanding Disc 5" 1200 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91618
    Item# DY91618 / MFR Part # 91618
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