Why Shop With Us?

    • Lorry and clock graphic

      BUY "YOUR WAY"

      Order by 24/7 by web, contact our sales reps or call by phone.

    • Shopping bag with heart graphic

      One Stop Shop

      What you need, when you need it, all in one place.

    • Trolley graphic

      Next Day Delivery

      Most orders ship same day.

    • Supprt headphone graphic

      Expert Support Team

      Advice and support from knowledgeable professionals.

    Need help? Call(800) 289-2237

    Company Information

    • About Our Company
    • Who is Reinhold Würth?
    • Contact Us / Locations
    • Return Policy
    • Shipping Policy
    • Careers
    • Sales Tax and Exemption
    • Credit Application
    • ACH / e-Check Registration
    • Terms & Conditions
    • Privacy Notice
    • Accessibility Statement
    • Help
    • FAQ
    • Pay Invoices Online

    Shop With Us

    • Shop by Brand
    • Clearance
    • Daily Discounts
    • Catalogs
    • Vendor Literature
    • Download Our Mobile App

    Services

    • SAM.gov - CAGE Code: 1UXJ6
    • Architects & Designers Portal
    • ORSY - Inventory Management Solution
    • Machinery

    Contact

    • Toll-free (800) 289-2237
    • Website Support (800) 944-2237 x4444
    • Support via Text / SMS (800) 289-2237
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    • Our Blog (opens in a new tab)
    • LinkedIn (opens in a new tab)
    • Facebook (opens in a new tab)
    • Instagram (opens in a new tab)
    • YouTube (opens in a new tab)
    • TikTok (opens in a new tab)
    • Pinterest (opens in a new tab)
    • X (formerly Twitter) (opens in a new tab)
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    Approved US Government VendorCage Code: 1UXJ6

    Copyright © 2004-2026, Würth Baer Supply Company. All Rights Reserved.

    Terms & ConditionsPrivacy NoticeAccessibilityDo Not Sell My Personal InformationWürth ComplianceSite FeedbackSitemap
    Würth Baer Supply CompanyWürth Baer Supply Company•Built For Those Who Build The World™
    (800) 289-2237
    Vernon Hills, IL
    (800) 289-2237
    Vernon Hills, IL
    Home
    Sign in / Register
    • Quick Order
    • Quotes
    • Promotions
    • Careers
    • Help
    • Contact
    Mobile app
    Abrasive Discs
    1. Home
    2. Abrasives
    3. Abrasive Discs
    Item # DY91559 • Mfr # 91559

    Dynabrade DynaCut Extreme PSA Sanding Disc 6" 220 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91559

    Description

    Dynabrade DynaCut Extreme Sanding Disc Performance

    Dynabrade DynaCut Extreme sanding disc uses premium P graded aluminum oxide abrasives, which deliver fast cut rates so stock removal stays efficient on repetitive sanding tasks. The disc is built on an extremely tough 3 mil high performance film backing, which resists tearing in use so operators can sand aggressively without disc failure. This film construction generates the finest finishes, which helps reduce follow-up polishing steps on finished parts. The abrasive surface uses a proprietary clog free coating that is pigment free, which provides a buildup resistant surface so the disc continues to cut instead of loading. The 6 inch diameter no hole layout keeps the sanding face solid, which supports consistent contact with the work surface. A pressure sensitive adhesive on the back adheres firmly to vinyl face back-up pads, which keeps the disc stable during operation. The adhesive also removes cleanly when worn, which simplifies disc changeover.

    Key Sanding Disc Details For Daily Use

    • The premium P graded aluminum oxide abrasive is manufactured for fast cut and long life, which supports higher productivity across repeated sanding passes before changing discs.
    • The extremely tough and tear resistant high performance 3 mil film backing generates the finest finishes and up to 4X the life of paper discs, which reduces disc consumption and downtime.
    • The proprietary clog free coating is pigment free and creates a buildup resistant abrasive surface, which helps the disc resist loading and maintain consistent cutting over longer runs.
    • The pressure sensitive adhesive backing adheres the disc firmly to vinyl face back-up pads and removes cleanly when discs are worn out, which keeps mounting secure while keeping changeover quick.
    • The 6 inch disc size with no hole design presents an uninterrupted abrasive surface, which supports even contact on flat areas during sanding operations.
    • The 220 grit specification defines a fine sanding step, which is suited to refining surfaces toward a smooth finish in preparation for subsequent finishing stages.

    Installation And Back-Up Pad Interface Details

    The pressure sensitive adhesive backing on this 6 inch no hole sanding disc adheres directly to vinyl face back-up pads, which creates a stable interface between the abrasive and the sander. This firm bond helps transmit tool motion evenly across the disc surface during operation. When the abrasive surface is worn, the PSA backing removes cleanly from the vinyl pad, which keeps residue from interfering with the next disc. The no hole configuration suits back-up pads designed for solid-face contact, which simplifies disc alignment on the pad. With its 220 grit rating, the disc serves as a fine step in a sanding sequence on appropriate surfaces where smoothness is the goal.

    Using This Aluminum Oxide Film Disc In Workflows

    Where This 6 Inch 220 Grit Disc Fits

    This 6 inch 220 grit PSA sanding disc fits workflows that call for a fine abrasive step using a no hole pattern on vinyl face back-up pads. The premium P graded aluminum oxide abrasive is manufactured for fast cut and long life, which supports sanding stages where material must be refined without constant disc changes. Because the high performance 3 mil film backing is extremely tough and tear resistant, the disc keeps its shape under tool pressure, which helps maintain consistent contact on broad surfaces. That same film backing generates the finest finishes, which positions this disc well in sequences where a smooth, uniform surface finish is important before further finishing work. The proprietary clog free coating is pigment free and provides a buildup resistant abrasive surface, which keeps the cutting action open in applications where dust tends to collect on standard abrasives.

    Why These Abrasive Details Support Consistent Results

    The aluminum oxide abrasive in this Dynabrade DynaCut Extreme sanding disc is premium P graded, which means the grit size is tightly controlled so the 220 grit surface cuts predictably across the full disc. This consistent grit distribution helps achieve uniform scratch patterns that sand out smoothly in later steps. The extremely tough 3 mil film backing resists tears far better than paper discs and delivers up to 4X the life of paper, which reduces the number of disc changes over a job and helps keep sanding results repeatable from part to part. The proprietary clog free coating creates a buildup resistant abrasive surface, which limits loading so the disc continues to cut at a steady rate instead of glazing. Because the coating is pigment free, it avoids adding color from the disc itself onto work surfaces, which supports clean, controlled finishing. The pressure sensitive adhesive that adheres firmly to vinyl face back-up pads keeps the disc flat and secure, which promotes even sanding pressure and helps minimize rework caused by uneven contact.

    Common Questions About Dynabrade 91559 Sanding Disc

    What type of abrasive is used on this Dynabrade disc?

    The Dynabrade DynaCut Extreme sanding disc uses premium P graded aluminum oxide abrasives, which provide fast cut and long life during sanding operations.

    How does the 3 mil film backing affect sanding performance?

    The extremely tough 3 mil high performance film backing resists tearing and generates the finest finishes, which extends disc life and supports consistent surface quality.

    What advantage does the clog free coating provide?

    The proprietary clog free coating is pigment free and buildup resistant, which helps the disc resist loading so it maintains effective cutting over longer sanding runs.

    How does the PSA backing interact with vinyl back-up pads?

    The pressure sensitive adhesive adheres the disc firmly to vinyl face back-up pads and removes cleanly when worn, which keeps mounting secure while simplifying disc changes.

    What role does the 220 grit rating play in surface preparation?

    The 220 grit rating defines a fine sanding disc, which is suited to refining surfaces toward a smooth finish as part of a multi-step abrasive sequence.

    Why choose this film backed disc over paper discs?

    This extremely tough 3 mil film backed disc delivers up to 4X the life of paper discs, which reduces disc usage and helps maintain consistent sanding performance.

    Selecting This Disc For Long-Life Fine Sanding

    The Dynabrade DynaCut Extreme sanding disc combines a premium P graded aluminum oxide abrasive with an extremely tough 3 mil film backing, which delivers fast cut, up to 4X the life of paper discs, and fine finishing from a 220 grit surface. The proprietary clog free, pigment free coating provides a buildup resistant abrasive surface, which sustains cutting performance across extended sanding runs. With its 6 inch no hole format and pressure sensitive adhesive that adheres securely to vinyl face back-up pads yet removes cleanly, this disc suits workflows that demand stable mounting and predictable finishing results.

    Diameter (in)
    6 in
    Attachment Type
    PSA
    Grit
    220
    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
    PSA
    Grit
    220
    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
    1,0001,5001201001,2001501802203204006060080800
    0Cart
    0Cart
    $42.77/Package
    Dynabrade DynaCut Extreme PSA Sanding Disc 6" 220 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91559
    Item# DY91559 / MFR Part # 91559
    Package
    Package
    Backorder

    Sold In: 1 Package

    Package