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    Abrasive Discs
    1. Home
    2. Abrasives
    3. Abrasive Discs
    Item # FJ578356 • Mfr # 578356

    Festool Granat Hook & Loop Sanding Disc 5" 500 Grit Hardened Aluminum Oxide Paper Backed 9 Hole 50 Discs-Box 578356

    Description

    Festool Granat 5 Inch Sanding Disc For Fine Work

    Festool Granat 5 inch sanding disc is a 500 grit hook and loop abrasive disc that delivers very fine sanding, so surfaces are prepared for finishing with a smooth, uniform profile. The 5 inch diameter works with sanders using that pad size, keeping contact consistent across the work area. A 9-hole pattern aligns with compatible dust extraction layouts, helping move dust away from the abrasive surface and supporting a cleaner cut. Hardened aluminum oxide grain provides the cutting action, so the disc cuts efficiently on appropriate materials while resisting early dulling. A paper backed construction supports the abrasive layer, giving a stable base that stays flat during use. Synthetic resin bonding holds the grain to the backing, so grit remains attached as you sand instead of shedding prematurely. Closed coated coverage means the surface is densely covered with grain, so each pass leaves a fine, even scratch pattern.

    Key Granat Abrasive Details That Support Results

    • The hardened aluminum oxide grain delivers the cutting action, so each disc can sand effectively on the intended surfaces without relying on heavy pressure.
    • The synthetic resin bond secures abrasive particles to the paper, so grit stays in place during sanding and helps maintain a consistent finish across the work.
    • The closed coated construction covers the disc face densely with grain, so fine sanding steps leave an even scratch pattern ready for subsequent finishing stages.
    • The 500 grit rating defines this disc as a very fine abrasive, so it is suited to refining surfaces after coarser grits rather than rapid stock removal.
    • The 5 inch diameter sizing matches tools built around that pad size, so the full abrasive face can be used without overhang or unused area at the edges.
    • The hook and loop backing allows attachment to compatible pads, so discs can be changed quickly during a sanding sequence or grit progression.

    Hook And Loop 5 Inch Disc Setup And Fit

    This Granat disc uses hook and loop backing, so it connects to matching hook and loop sanding pads by pressing the disc onto the pad face. The 5 inch diameter fits sanding tools designed around that disc size, which keeps abrasive coverage aligned with the pad and maintains balanced rotation. A 9-hole layout in the disc face lines up with sanders using the same pattern, so when paired with those tools, dust extraction paths remain open across the pad. The 500 grit abrasive grade positions this disc in the finer stages of a sanding process, so it is typically used after coarser discs in a progression. Paper backed construction keeps the disc thin and flexible, helping it conform to flat or gently contoured surfaces under normal sanding pressure.

    Using Festool Granat Discs In Surface Preparation

    Where This P500 Granat Disc Is Applied

    This Granat disc is described as Festool's most long-lasting and highest performing abrasive and is well suited for nearly all applications, including bare wood, paints, most modern paint systems, VOC clear coats, plastic materials, solid surface materials, acrylics, and composites. Because it is suited to bare wood, the same disc can be used through multiple wood-prep stages, helping maintain a consistent sanding system. Suitability for paints and most modern paint systems means one abrasive line can address both raw and coated surfaces, which simplifies abrasive selection on mixed projects. The disc's ability to work on VOC clear coats supports sanding or denibbing within those coating systems. Compatibility with plastic materials, solid surface materials, acrylics, and composites extends the disc's use beyond wood, allowing the same product family to serve in shop environments that handle varied substrates.

    How Granat Construction Supports Repeatable Finishes

    The combination of hardened aluminum oxide, synthetic resin bond, and closed coated construction defines how this disc behaves in use, because each element contributes to cut quality and surface consistency. Hardened aluminum oxide grain provides the cutting edges, so the abrasive can work across the listed materials while maintaining a fine scratch pattern at 500 grit. Synthetic resin bonding anchors those grains to the paper, supporting controlled wear as sanding progresses instead of rapid grain loss that would change cut characteristics mid-job. Closed coated coverage places grain across nearly the entire disc surface, so the abrading action remains even across the pad and supports a uniform finish as you move over a panel or edge. The hook and loop interface allows quick disc swaps, so moving through grit steps or changing discs during extended work can be done without interrupting the sanding sequence for long.

    Common Questions About This Festool Granat Disc

    What type of abrasive is on this Festool Granat disc?

    This Festool Granat disc uses hardened aluminum oxide as the abrasive grain, which provides the cutting action across the listed materials while maintaining a fine, controlled scratch pattern at 500 grit.

    What backing and bond does the Granat P500 disc use?

    The Granat P500 disc is paper backed with a synthetic resin bond, giving a stable, flat base while securely holding abrasive grains so the disc keeps a consistent cut during sanding.

    How would a 500 grit Granat disc be used in sanding stages?

    The Granat 500 grit sanding disc is a very fine abrasive, so it is typically used after coarser grits to refine the surface in preparation for finishing or between finishing steps.

    What materials can this Granat 5 inch disc sand?

    This Granat 5 inch disc is well suited for bare wood, paints, most modern paint systems, VOC clear coats, plastic materials, solid surface materials, acrylics, and composites, supporting use across varied shop work.

    How does the hook and loop backing help in day-to-day use?

    The hook and loop sanding disc backing allows quick attachment and removal from compatible pads, so changing worn discs or shifting grit steps can be done with minimal interruption to sanding workflow.

    What does the 9-hole design contribute during sanding?

    The 5 inch 9 hole sanding disc layout matches sanders using a similar pattern, so when paired with those tools, the holes align with extraction paths to support dust removal and a cleaner sanding surface.

    Selecting This Granat Disc For Your Next Job

    The Festool 578356 abrasive disc combines the Granat abrasive system, a 5 inch diameter, 500 grit rating, and hook and loop attachment, so it fits fine-sanding roles on the listed materials while working efficiently with compatible pad and hole layouts. Because it is well suited for nearly all applications from bare wood through paints, modern paint systems, VOC clear coats, plastic materials, solid surface materials, acrylics, and composites, a single abrasive line can handle varied tasks in a woodworking or fabrication setting. Choosing this Granat 5 inch sanding disc keeps your fine-prep steps aligned with a known abrasive system.

    Diameter (in)
    5 in
    Diameter (mm)
    125 mm
    Attachment Type
    Hook and loop
    Grit
    500
    Hole Pattern
    9-hole
    Mineral
    Hardened aluminum oxide
    Product Type
    Sanding Discs
    Vacuum Type
    Vacuum
    Backing Weight
    Paper Backed
    Manufacturer Series
    Granat
    Supplier Pack Size
    1
    Sold In
    1
    Diameter (in)
    5 in
    Diameter (mm)
    125 mm
    Attachment Type
    Hook and loop
    Grit
    500
    Hole Pattern
    9-hole
    Mineral
    Hardened aluminum oxide
    Product Type
    Sanding Discs
    Vacuum Type
    Vacuum
    Backing Weight
    Paper Backed
    Manufacturer Series
    Granat
    Supplier Pack Size
    1
    Sold In
    1
    12015022018080040320400240500601,000801001,2001,500
    Festool
    $40.00/Box
    Festool Granat Hook & Loop Sanding Disc 5" 500 Grit Hardened Aluminum Oxide Paper Backed 9 Hole 50 Discs-Box 578356
    Item# FJ578356 / MFR Part # 578356
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