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    Abrasive Discs
    1. Home
    2. Abrasives
    3. Abrasive Discs
    Item # DY79817 • Mfr # 79817

    Dynabrade DynaCut Extreme Hook & Loop Sanding Disc 3" 120 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 79817

    Description

    Dynabrade DynaCut Extreme Sanding Disc For Fast Cutting

    Dynabrade DynaCut Extreme sanding disc uses premium P graded aluminum oxide abrasive on film to deliver a fast cut and long life, so sanding jobs remove material efficiently while reducing disc changes over the course of a project or production run. The disc is a 3 inch diameter, 120 grit hook and loop no hole aluminum oxide film sanding disc, which suits medium-fine sanding where a consistent scratch pattern matters for downstream finishing quality in shop workflows. The abrasive disc is part of the Dynabrade line of coated abrasives, providing a familiar option for users already working with Dynabrade tools in woodworking or similar abrasive applications.

    Key Sanding Disc Details That Support Workflow

    • Premium P graded aluminum oxide abrasive is manufactured for fast cut and long life, so each disc removes material quickly while staying productive over extended sanding sessions.
    • Extremely tough, tear resistant high performance 3 mil film backing supports aggressive use while maintaining disc integrity, which helps hold a consistent surface finish as the disc wears.
    • Proprietary clog free coating is pigment free and provides a buildup resistant abrasive surface, keeping cutting points more open so the disc maintains cutting efficiency in dust-prone sanding tasks.
    • The buildup resistant surface from the coating further extends product life, which can reduce how often discs are changed and can keep machines running longer between interruptions.
    • The hook and loop attachment system makes disc changes quick and easy, allowing operators to swap grits or replace a disc without tools and return to sanding with minimal downtime.
    • Hook and loop discs can be saved for future use when not completely worn, letting users rotate partially used discs between tasks to get full value from each abrasive.

    Hook And Loop Sanding Disc Use And Changeover

    This 3 inch 120 grit hook and loop disc attaches using a hook and loop system, so it mounts to compatible backup pads by pressing the disc into place, helping align the abrasive quickly before sanding. The hook and loop attachment allows the disc to be removed without damaging the 3 mil film backing, supporting repeated on-and-off cycles when switching between grits within the same job. Because hook and loop discs can be saved for future use when not completely worn, operators can pull a partially used 120 grit disc for quick touch-up sanding and then return it to storage, maintaining an organized selection of working abrasives for recurring tasks.

    How This Abrasive Disc Performs In Real Work

    Where This Aluminum Oxide Film Disc Fits Best

    This aluminum oxide film sanding disc is classified under abrasive discs and coated abrasives, placing it in the core abrasive lineup for woodworking and similar shop environments that rely on consistent finishing. The 120 grit rating positions the disc for medium-level stock removal and surface preparation, which supports tasks such as smoothing prior to finer sanding stages where uniform scratch patterns are essential to final finish appearance. The disc uses a premium P graded aluminum oxide abrasive, so the grain size control contributes to predictable cutting behavior across the disc surface, which matters when a job requires even sanding across multiple parts or panels. The no hole design of this 3 inch disc presents a continuous abrasive face, which puts the full disc area in contact with the work and can be useful where sanding patterns benefit from uninterrupted coverage. As part of the Dynabrade coated abrasives range, this disc integrates into abrasive setups that already standardize around Dynabrade products, helping keep abrasive types consistent across different workstations. Sold in packs of 50, the disc quantity supports shops and serious users who run through abrasives regularly and want a single part configured for repeated use in production-like routines.

    Why Construction Details Matter For Sanding Results

    The extremely tough and tear resistant high performance 3 mil film backing supports the abrasive grains during demanding sanding, which helps the disc stay flat under pressure and maintain an even scratch pattern on the work surface. That backing construction also resists edge tearing, so operators can work close to corners or contours without the disc failing prematurely, extending useful life and helping keep the backup pad protected. The proprietary clog free coating forms a pigment free, buildup resistant abrasive surface, so sanding debris is less likely to load the disc face, which keeps cutting points more open and maintains cutting speed during longer passes. Because the coating is pigment free, it does not introduce added color to the abrasive layer, supporting sanding operations where surface contamination from abrasive colorants would be undesirable for downstream finishing steps. The coating further extends product life by limiting clogging, so fewer discs are consumed across repetitive sanding cycles, which supports consistent performance from the first part to the last. The hook and loop attachment system that makes disc changes quick and easy also supports repeatable positioning on the backup pad, which helps keep discs centered and reduces vibration during operation, giving a smoother sanding feel and more controllable results.

    Common Questions About This Dynabrade Sanding Disc

    What type of abrasive is used on this disc?

    The Dynabrade DynaCut Extreme sanding disc uses premium P graded aluminum oxide abrasive, providing a fast cut and long life for repeated sanding tasks.

    How does the 3 mil film backing affect sanding?

    The high performance 3 mil film backing is extremely tough and tear resistant, supporting consistent finishes and extending disc life under demanding use.

    What does the proprietary clog free coating do?

    The proprietary clog free coating is pigment free and buildup resistant, helping keep cutting points open so the disc maintains cutting efficiency longer.

    How does the hook and loop system help workflow?

    The hook and loop attachment system makes disc changes quick and easy, allowing rapid grit swaps and reducing downtime between sanding steps.

    Can partially used discs be reused later?

    Hook and loop discs can be saved for future use when not completely worn, so operators can rotate discs between tasks to maximize abrasive usage.

    What is the size and grit of this disc?

    This Dynabrade disc is a 3 inch diameter, 120 grit hook and loop no hole aluminum oxide film sanding disc, suited to medium-fine sanding work.

    Select This Disc For Fast, Long-Lasting Sanding

    This Dynabrade DynaCut Extreme sanding disc combines premium P graded aluminum oxide abrasive, a tough 3 mil film backing, and a proprietary clog free coating, so sanding remains fast and consistent over many cycles. The 3 inch 120 grit hook and loop no hole film disc supports medium-fine sanding stages where a controlled scratch pattern and quick material removal are both important. With hook and loop attachment enabling quick disc changes and reuse of partially worn discs, this aluminum oxide film sanding disc suits shops and serious users who want predictable performance and efficient abrasive use on every sanding job.

    Diameter (in)
    3 in
    Attachment Type
    Hook and loop
    Grit
    120
    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)
    3 in
    Attachment Type
    Hook and loop
    Grit
    120
    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
    Dynabrade
    80100120150180220320400
    $35.37/Package
    Dynabrade DynaCut Extreme Hook & Loop Sanding Disc 3" 120 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 79817
    Item# DY79817 / MFR Part # 79817
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