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    Abrasive Discs
    1. Home
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    3. Abrasive Discs

    Description

    Festool Granat 5 Inch 320 Grit Sanding Disc Use

    Festool Granat 5 inch 320 grit sanding disc is a paper backed abrasive disc built for consistent surface prep across many shop tasks. The 320 grit rating provides fine sanding that smooths surfaces before finishing, which helps deliver even coatings on wood or solid materials. The 5 inch diameter suits common random-orbit sanders, so the disc works easily into existing sanding workflows. A hook and loop backing allows quick disc changes during step-sanding sequences, which keeps tools running with minimal downtime. The 9-hole pattern supports dust extraction when matched to compatible pads, so the abrasive stays clearer during use. Granat is described as Festool's most long-lasting and highest performing abrasive, so each disc works over more surface area before replacement. Being part of Festool's Granat line also means the abrasive system stays consistent from grit to grit across projects.

    Key Granat Disc Details For Daily Sanding Work

    • The 320 grit specification delivers fine sanding, which preps bare wood, paints, and coatings for smooth final finishing in cabinet, furniture, or trim workflows.
    • The 5 inch diameter matches common random-orbit pad sizes, so installers can keep using familiar tools while standardizing on a single disc family.
    • The hook and loop backing provides fast attachment and removal, which speeds grit changes when stepping through sanding sequences on multiple parts.
    • The 9-hole pattern is designed for dust extraction pads, so on-tool vacuum systems can pull dust away from the surface to keep the cut more consistent.
    • Hardened aluminum oxide grain gives a tough cutting surface, which maintains cutting action over longer runs on wood, coatings, plastics, and composites.
    • A synthetic resin bond holds the abrasive grain to the paper backing, which stabilizes the grit under load for predictable scratch patterns.

    Disc Setup, Interface, And Sanding Workflow Fit

    The hook and loop design on this Festool Granat 5 inch 320 grit sanding disc mates to matching hook and loop backing pads, so discs can be swapped quickly between grits without tools. The 5 inch size interfaces with appropriately sized random-orbit sanders, so operators can move from coarse shaping to fine P320 passes on the same machine. The 9-hole layout aligns with compatible dust-extraction pads, routing dust through the disc while sanding. That hole pattern helps keep the abrasive open during extended passes, which supports consistent scratch depth across larger panels. The paper-backed construction balances flexibility and support, so the disc can follow slight contours while still keeping the sanding face flat enough for controlled surface refinement.

    Using Festool Granat P320 Discs Across Materials

    Applications On Wood, Coatings, And Solid Materials

    Festool Granat abrasive disc is described as well suited for nearly all applications, including bare wood. That suitability means the 320 grit disc can handle final passes on doors, face frames, or trim before applying finishes. The same abrasive works on paints and most modern paint systems, so refinishers can scuff-sand existing coatings to promote adhesion without switching to a different product line. The disc is also described as suitable for VOC clear coats, which supports sanding or de-nibbing modern compliant finishes in shop environments focused on regulated coatings. The Granat abrasive extends to plastic materials and solid surface materials as well, so fabricators can smooth edges or faces on synthetic tops and components using the same P320 step. Suitability for acrylics and composites broadens that reach to display parts, fixtures, and laminated panels, giving shops a single abrasive family across varied materials.

    The hardened aluminum oxide grain on this Granat 5 inch P320 sanding disc provides the cutting surface needed to work across these materials while maintaining the fine scratch pattern expected from 320 grit. That hardened grain resists dulling as it contacts tougher composites or multiple paint layers, which helps keep the scratch pattern consistent from the first part to the last in a batch. The closed coated construction means the abrasive surface is densely covered with grain, which increases the number of cutting points in contact with the work. That dense coverage supports efficient stock removal at a fine grit, so operators can refine surfaces without multiple redundant passes. A synthetic resin bond anchors the grain to the paper backing, which stabilizes the abrasive under orbital motion and helps it resist shedding on edges or corners, keeping rework down when sanding intricate parts.

    Common Installer Questions About This Granat Disc

    What materials can this Festool Granat 320 grit disc sand effectively?

    This Festool Granat 5 inch 320 grit sanding disc is described as well suited for bare wood, paints, most modern paint systems, VOC clear coats, plastic materials, solid surface materials, acrylics, and composites, so one disc family covers mixed-material projects.

    How does the hardened aluminum oxide grain help in daily use?

    The hardened aluminum oxide on this Granat disc provides a tough cutting surface that maintains cutting ability over longer runs on wood, coatings, plastics, and composites, supporting consistent surface quality through multiple parts.

    Why choose a 320 grit Granat disc for finishing steps?

    The 320 grit Granat disc provides fine sanding for surface refinement before finishing, creating a smooth base that supports even application of paints, VOC clear coats, or other coatings on wood and solid materials.

    What does closed coated construction mean for this abrasive disc?

    This Granat P320 disc uses closed coated construction, meaning the abrasive surface is densely covered with grain, which increases cutting points and helps achieve efficient material removal with a uniform scratch pattern.

    How does the synthetic resin bond affect sanding performance?

    The synthetic resin bond on this Festool Granat abrasive disc secures the aluminum oxide grain to the paper backing, helping the grit stay stable under orbital motion for predictable scratching on different materials.

    Why is this Granat disc described as long-lasting and high performing?

    This Granat disc is described as Festool's most long-lasting and highest performing abrasive, so each P320 disc can work over more surface area before being spent, supporting steady productivity in sanding workflows.

    Selecting This Granat Disc For Your Sanding Process

    This Festool 578354 sanding disc combines P320 grit, hardened aluminum oxide grain, and closed coated construction to handle fine sanding across wood, coatings, plastics, and composites. The 5 inch, hook and loop, 9-hole format ties into common dust-extracting random-orbit sanders, helping crews move from prep to finish with one abrasive line. For shops that want repeatable surface prep across bare wood, modern paint systems, VOC clear coats, and solid surface materials, aligning on this Granat 5 inch 320 grit sanding disc standardizes a key step in the finishing process.

    Diameter (in)
    5 in
    Diameter (mm)
    125 mm
    Attachment Type
    Hook and loop
    Grit
    320
    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
    320
    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
    0Cart
    0Cart
    Item # FJ578354 • Mfr # 578354

    Festool Granat Hook & Loop Sanding Disc 320 Grit Hardened Aluminum Oxide Paper Backed 9 Hole 50 Discs-Box 578354

    12015022018080040320400240500601,000801001,2001,500
    Festool Granat 5" Hook & Loop Sanding Disc 320 Grit Hardened Aluminum Oxide Paper Backed 9 Hole 10 Discs-Box 497150Festool Granat Hook & Loop Sanding Disc 320 Grit Hardened Aluminum Oxide Paper Backed 9 Hole 50 Discs-Box 578354
    Festool
    $40.00/Box
    Festool Granat Hook & Loop Sanding Disc 320 Grit Hardened Aluminum Oxide Paper Backed 9 Hole 50 Discs-Box 578354
    Item# FJ578354 / MFR Part # 578354
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