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    Abrasive Discs
    1. Home
    2. Abrasives
    3. Abrasive Discs
    Item # DY79796 • Mfr # 79796

    Dynabrade DynaCut Extreme Hook & Loop Sanding Disc 6" 40 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 79796

    Description

    Dynabrade DynaCut Extreme Sanding Disc For Heavy Stock Removal

    Dynabrade DynaCut Extreme sanding disc is a 6 inch 40 grit hook and loop no hole aluminum oxide on film sanding disc that delivers aggressive cutting for demanding sanding jobs. The premium P graded aluminum oxide abrasive cuts fast, so material removal is efficient on each pass. This same P graded construction maintains a consistent scratch pattern, which matters when you want predictable surface preparation from disc to disc. The extremely tough and tear resistant high performance 3 mil film backing supports the abrasive during heavy sanding, helping the disc hold up under pressure. That 3 mil film backing also helps the disc stay flat on the pad, which supports smooth tracking during use. A proprietary clog free coating creates a buildup resistant abrasive surface, so the disc sheds loading that would otherwise slow cutting. The coating is pigment free, which helps keep unwanted color from transferring to lighter workpieces.

    Key Abrasive Disc Details That Support Daily Work

    • The premium P graded aluminum oxide abrasives provide fast cut and long life, so sanding time is reduced while each disc stays productive across multiple tasks before needing replacement.
    • An extremely tough and tear resistant high performance 3 mil film backing generates the finest finishes and up to 4X the life of paper discs, so discs stay intact longer under pressure and reduce changeover frequency.
    • A proprietary clog free coating is pigment free and provides a buildup resistant abrasive surface, so the disc resists loading from dust and debris and helps maintain cutting efficiency on sensitive or light-colored materials.
    • The hook and loop attachment system makes disc changes quick and easy, so switching grits or swapping a partially used disc takes minimal downtime during sanding sequences.
    • Discs can be saved for future use when not completely worn, so partially used grits can be rotated back into service for later stages or repeat jobs without wasting remaining abrasive life.

    Hook And Loop Sanding Disc Setup And Changeover

    The hook and loop attachment system on this 6 inch sanding disc connects directly to a matching hook and loop backup pad, so mounting the disc is a simple press-on step before sanding. That hook and loop system also allows the disc to be removed without damage to the backing, which enables repeated on-and-off use as jobs progress. Because the disc has a no hole design, the entire abrasive face is available for contact, so operators can use the full surface when sanding edges, flats, or contours. The no hole layout also eliminates any need to align vent patterns, so discs can be mounted quickly without orientation concerns during changeovers.

    How This No Hole 40 Grit Disc Fits Shop And Field Sanding

    Where The Dynabrade 6 Inch 40 Grit Disc Works Best

    This Dynabrade DynaCut Extreme 6 inch 40 grit hook and loop no hole aluminum oxide on film sanding disc fits abrasive work where aggressive cut with a controlled scratch is needed. The 40 grit size supports heavy stock removal and initial leveling, so it suits early sanding passes on rough surfaces. Premium P graded aluminum oxide abrasives provide fast cut and long life, which supports production environments where discs see continuous use. The P graded grain structure keeps the scratch pattern even, so follow-up grits can clean up effectively without chasing deep random gouges. The extremely tough and tear resistant high performance 3 mil film backing helps the disc stay stable during heavy contact, which supports sanding on edges or corners where lesser backings could fail. A proprietary clog free coating creates a buildup resistant abrasive surface, so the disc maintains cutting action even when sanding materials that tend to load.

    Why These Abrasive Details Matter For Consistent Results

    The premium P graded aluminum oxide and 3 mil film backing together generate the finest finishes and up to 4X the life of paper discs, so operators can stay on the tool longer before changing discs and still achieve a surface ready for finer grits. That long life characteristic reduces interruptions in a sanding sequence, which supports more consistent passes on large panels or assemblies. The extremely tough and tear resistant backing resists edge damage, so discs can be used confidently near corners without sudden tears that affect the sanding pattern. A proprietary clog free coating that is pigment free limits abrasive loading and reduces the risk of color contamination, which matters when working on lighter substrates or primers. The hook and loop attachment system makes disc changes quick and easy, so different grits in the same series can be rotated through efficiently as the surface is refined. Discs that are not completely worn can be saved for future use, so partially used abrasive life is preserved for touchups or intermediate passes.

    Common Questions About The Dynabrade DynaCut Extreme Disc

    What material is used on this Dynabrade DynaCut Extreme sanding disc?

    The disc uses premium P graded aluminum oxide abrasives on a film backing, which delivers fast cutting action with a controlled scratch suitable for progressive sanding steps.

    How does the 3 mil film backing affect sanding performance?

    The extremely tough and tear resistant high performance 3 mil film backing supports the abrasive under pressure, which helps generate fine finishes and extend disc life compared with paper discs.

    What is the advantage of the hook and loop attachment system?

    The hook and loop attachment system allows quick and easy disc changes, so operators can swap grits or reuse partially worn discs with minimal downtime between sanding stages.

    Why is a clog free coating important on this sanding disc?

    The proprietary clog free coating provides a buildup resistant abrasive surface, so the disc sheds dust and debris more effectively and maintains cutting speed over longer runs.

    What does no hole design mean for this 6 inch disc?

    The no hole design means the entire face is solid abrasive, which allows full contact across the disc and eliminates any alignment step with vacuum holes during mounting.

    How does this disc compare with paper discs for durability?

    This disc uses a high performance 3 mil film backing that provides up to 4X the life of paper discs, so it retains structure longer under aggressive sanding conditions.

    Select This 6 Inch Dynabrade Disc For Demanding Sanding

    This Dynabrade DynaCut Extreme 6 inch 40 grit hook and loop no hole aluminum oxide on film sanding disc combines P graded aluminum oxide, a high performance 3 mil film backing, and a proprietary clog free coating to support efficient stock removal. The hook and loop attachment system simplifies disc changes, while the ability to save partially worn discs supports economical use of each abrasive. For woodworking and related sanding tasks that benefit from aggressive cut, long disc life, and fast changeovers, this disc provides a focused solution for daily shop or field work.

    Diameter (in)
    6 in
    Attachment Type
    Hook and loop
    Grit
    40
    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)
    6 in
    Attachment Type
    Hook and loop
    Grit
    40
    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
    1201806001001501,0001,2001,500220320404006080800
    Dynabrade
    $80.51/Package
    Dynabrade DynaCut Extreme Hook & Loop Sanding Disc 6" 40 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 79796
    Item# DY79796 / MFR Part # 79796
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