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    Abrasive Discs
    1. Home
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    3. Abrasive Discs

    Description

    Dynabrade Dynamesh 400 Grit Sanding Disc Use

    Dynabrade Dynamesh 3 inch 400 grit sanding disc is a coated abrasive disc that uses a premium P graded aluminum oxide abrasive on a mesh backing, so it cuts sharply and consistently while supporting controlled finishing on your workpieces. The 400 grit rating gives a fine cut, which is useful when sanding primer, solid surface, composites, and wood where you need smooth surfaces ready for further steps. The open mesh construction provides a dust-free solution with any vacuum compatible random orbital sander, helping keep the work area cleaner during extended sanding. This mesh design allows dust to move through the disc instead of loading the abrasive face, so the cutting surface stays more open as you work. The disc is part of Dynabrade's Dynamesh line of coated abrasives, giving a predictable abrasive format for repeat jobs.

    Mesh Sanding Disc Details That Help Jobs

    • The open mesh construction reduces dust from the sanding process, so visibility at the surface stays higher and airborne buildup is reduced while you sand.
    • Mesh structure reduces loading and clogging, so more of the aluminum oxide abrasive remains exposed, helping the disc keep cutting instead of glazing over.
    • The dust-reducing mesh design creates a cleaner environment around the random orbital sander, which helps maintain a tidier work area during extended sanding runs.
    • Reduced loading and clogging support greater efficiency, as each disc stays productive longer before performance drops and you need to swap it out.
    • The same reduced loading and efficient use of abrasive contribute to longer life, so each 3 inch disc can cover more sanding passes across primers, composites, or wood.

    Hook And Loop Disc Setup On Sanders

    This Dynabrade Dynamesh disc uses a hook and loop backing, so it attaches quickly to compatible random orbital sander back-up pads designed for that connection style. The no hole design works with any vacuum compatible random orbital sander regardless of back-up pad vacuum hole configuration, so you do not have to match hole patterns when selecting a pad. This flexibility lets the disc pair with a variety of back-up pads while still supporting dust extraction through the open mesh. The 3 inch diameter fits sanders and pads built for that size, keeping the abrasive area compact for controlled work on edges, profiles, and smaller surfaces.

    Using Dynabrade Dynamesh Discs In Real Work

    Where This 3 Inch 400 Grit Disc Performs

    This Dynabrade abrasive disc is suitable for primer sanding, so it can be used to smooth primed surfaces where a fine 400 grit finish is needed before downstream steps. It is also suitable for solid surface materials, letting the mesh abrasive work on non-wood substrates used in counters or fabricated components. The disc is suitable for composites, so it can address composite panels or parts where controlled cutting and dust handling matter. Suitability for wood means the same 3 inch disc can support fine sanding on wooden components, useful in woodworking and cabinet-related tasks using random orbital sanders.

    Why Dynamesh Construction Supports Consistent Results

    Premium P graded aluminum oxide abrasive is described as sharp, fast, and free cutting, so each grain is engineered to cut efficiently rather than rubbing, which supports consistent stock removal with less effort at the tool. The tough and durable phenolic resin bond system holds abrasive grain firmly in place for longer life, so grains stay anchored as they cut, keeping the disc effective across more passes. This bond strength helps maintain an even scratch pattern over the working life of the disc because grains remain distributed rather than shedding prematurely. The combination of sharp, free cutting aluminum oxide and a durable phenolic resin bond supports repeatable finishing results across primer, solid surface, composites, and wood applications where consistent surface quality is important job to job.

    Buyer Questions About Dynabrade Dynamesh Sanding Discs

    What type of abrasive is used on this Dynabrade disc?

    This Dynabrade Dynamesh disc uses premium P graded aluminum oxide abrasive, which provides sharp, fast, free cutting action for efficient sanding across suitable materials.

    How does the mesh design affect dust when sanding?

    The open mesh construction reduces dust from the sanding process by allowing it to move through the disc, which supports a cleaner environment and less abrasive loading.

    Can this sanding disc work with different vacuum pad hole patterns?

    This Dynamesh disc provides a dust-free solution for any vacuum compatible random orbital sander regardless of back-up pad vacuum hole configuration, so hole alignment is not required.

    What applications is the 400 grit Dynamesh disc suitable for?

    The disc is suitable for primer sanding, solid surface, composites, and wood, so it can serve across varied shop materials with a fine 400 grit finish.

    How does the phenolic resin bond affect disc life?

    The tough and durable phenolic resin bond system holds abrasive grain firmly in place, which helps extend disc life and maintain cutting performance over more passes.

    What is the size and grit of this Dynabrade Dynamesh disc?

    The disc is 3 inches in diameter and 400 grit, providing a compact size for controlled sanding and a fine abrasive cut for finishing tasks.

    Selecting This Dynabrade Disc For Your Sander

    This Dynabrade Dynamesh 3 inch 400 grit hook and loop no hole aluminum oxide on mesh sanding disc pairs a fine 400 grit cut with a dust-reducing open mesh construction, so it suits detailed work on primer, solid surface, composites, and wood. The hook and loop backing speeds swaps on compatible random orbital sanders, which helps keep sanding workflows moving. The phenolic resin bond and P graded aluminum oxide abrasive support longer, consistent cutting, so this disc aligns with repeat work where predictable surface quality matters.

    Diameter (in)
    3 in
    Attachment Type
    Hook and loop
    Grit
    400
    Hole Pattern
    Multiple perforations
    Mineral
    Aluminum oxide
    Product Type
    Sanding Discs
    Vacuum Type
    Vacuum
    Backing Weight
    Mesh
    Manufacturer Series
    Dynamesh
    Supplier Pack Size
    1
    Sold In
    1
    Diameter (in)
    3 in
    Attachment Type
    Hook and loop
    Grit
    400
    Hole Pattern
    Multiple perforations
    Mineral
    Aluminum oxide
    Product Type
    Sanding Discs
    Vacuum Type
    Vacuum
    Backing Weight
    Mesh
    Manufacturer Series
    Dynamesh
    Supplier Pack Size
    1
    Sold In
    1
    0Cart
    0Cart
    Item # DY91709 • Mfr # 91709

    Dynabrade Dynamesh Hook & Loop Sanding Disc 3" 400 Grit Aluminum Oxide Mesh No Hole 50 Discs-Pack 91709

    80100120150180220240320400500600
    $26.43/Package
    Dynabrade Dynamesh Hook & Loop Sanding Disc 3" 400 Grit Aluminum Oxide Mesh No Hole 50 Discs-Pack 91709
    Item# DY91709 / MFR Part # 91709
    Package
    Dynabrade
    Package
    Backorder

    Sold In: 1 Package

    Package