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

    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
    0Cart
    0Cart
    Abrasive Discs
    1. Home
    2. Abrasives
    3. Abrasive Discs
    Item # DY91621 • Mfr # 91621

    Dynabrade DynaCut Extreme Hook & Loop Sanding Disc 6" 800 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91621

    Description

    Dynabrade DynaCut Extreme 6 Inch Sanding Disc Use

    Dynabrade DynaCut Extreme 6 inch sanding disc is a coated abrasive disc built for consistent fine finishing on compatible 6 inch hook and loop sanders. The disc uses premium P graded aluminum oxide abrasive, which delivers a fast cut so you reach an 800 grit finish efficiently on your sanding passes. The aluminum oxide abrasive is arranged for long life, so fewer disc changes are needed during extended sanding jobs. An extremely tough and tear resistant high performance 3 mil film backing supports the abrasive, so the disc stays flat and stable while sanding. This film backing generates very fine finishes, helping meet tight surface prep requirements before further finishing steps. The disc is designed as an abrasive disc within the Dynabrade DynaCut Extreme line, giving installers and shop users a repeatable option for 800 grit work.

    Key Abrasive Disc Details For Shop Productivity

    • The premium P graded aluminum oxide abrasives are engineered for fast cut and long life, so material removal and surface refinement stay consistent across multiple workpieces.
    • The extremely tough and tear resistant high performance 3 mil film backing keeps the disc intact under demanding use, maintaining an even scratch pattern.
    • The film backing generates the finest finishes, supporting 800 grit level work when a smooth, uniform surface is needed before subsequent finishing or coating steps.
    • A proprietary clog free coating is pigment free, so the abrasive surface resists buildup that can interfere with cutting and surface quality.
    • The buildup resistant abrasive surface from the clog free coating further extends product life, reducing disc changeovers during longer sanding sessions.
    • The hook and loop attachment system makes disc changes quick and easy, allowing operators to swap discs or grits without interrupting workflow for extended tool adjustments.

    Hook And Loop 6 Inch Disc Mounting Details

    The DynaCut Extreme disc uses a hook and loop attachment system, so it fastens directly to compatible hook and loop backing pads on 6 inch sanders. This hook and loop interface lets installers remove the disc without damage when it is not completely worn, so partially used discs can be set aside for later tasks at the same grit. The disc is a no hole design, so the abrasive surface remains uninterrupted across the full 6 inch diameter. This no hole layout gives full face contact with the work surface, which is useful where continuous coverage across the pad is preferred. Being a 6 inch abrasive disc, it suits sanders and processes built around this common pad size.

    Applying This 800 Grit Film Sanding Disc In Workflows

    Where This 6 Inch Abrasive Disc Fits Best

    This Dynabrade abrasive disc is a 6 inch, 800 grit option, so it is positioned for fine sanding and finishing stages rather than heavy stock removal. The coated abrasives are manufactured with premium P graded aluminum oxide, giving an abrasive face that supports controlled material removal as you refine surfaces. As part of the Abrasive Discs category, it fits into workflows that rely on disc-based sanding for cabinetry, woodworking, or similar shop tasks where disc sanders are standard. The no hole configuration presents a continuous abrasive face, which suits applications where the operator wants full pad contact across the entire 6 inch diameter. The film backing works together with the 800 grit to deliver very fine finishes, helping transitions between sanding steps stay consistent.

    Why Film Backing And Clog Free Coating Matter

    The extremely tough and tear resistant high performance 3 mil film backing helps the disc hold its shape under pressure, so the scratch pattern from the 800 grit abrasive stays even from center to edge. This backing also supports the long life characteristics described in the product data, since a stable backing resists edge tearing during extended use. The proprietary clog free coating is pigment free, so it avoids adding color elements to the abrasive face, which matters where a pigment free surface is preferred. This coating provides a buildup resistant abrasive surface, which keeps cutting points more open as dust forms. With less abrasive buildup, the disc continues to cut effectively, so fewer disc changes are needed while maintaining fine finish standards.

    Common Questions About This Dynabrade Sanding Disc

    What type of abrasive is used on this disc?

    The Dynabrade DynaCut Extreme disc uses premium P graded aluminum oxide abrasives, which provide a fast, consistent cut and help maintain predictable 800 grit scratch patterns.

    How does the 3 mil film backing affect sanding results?

    The high performance 3 mil film backing is extremely tough and tear resistant, so it keeps the disc flat and stable, helping generate very fine, uniform finishes.

    What does the 800 grit rating indicate for this disc?

    The 800 grit rating places this disc in a fine sanding range, so it is suited for refining surfaces and generating smooth finishes in later sanding stages.

    How does the hook and loop system help in daily use?

    The hook and loop attachment system lets the disc attach and detach quickly, so operators can swap discs or grits with minimal interruption to sanding workflow.

    What is the benefit of the no hole disc design?

    The no hole design provides uninterrupted abrasive across the 6 inch face, giving full surface contact where continuous coverage from the pad is desired.

    How does the clog free coating impact disc life?

    The proprietary clog free, pigment free coating creates a buildup resistant abrasive surface, so dust loads less on the disc and usable life is extended.

    Selecting This 6 Inch 800 Grit Disc For Your Work

    The Dynabrade DynaCut Extreme 6 inch 800 grit hook and loop no hole aluminum oxide on film sanding disc combines premium P graded aluminum oxide, a high performance 3 mil film backing, and a proprietary clog free coating. This combination supports fast cut, extended disc life, and very fine finishes within a disc format sized for 6 inch hook and loop sanders. For jobs that call for consistent 800 grit surface preparation with a stable film backed disc, this Dynabrade abrasive disc offers a focused option for shop and installation workflows.

    Diameter (in)
    6 in
    Attachment Type
    Hook and loop
    Grit
    800
    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
    800
    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
    $41.33/Package
    Dynabrade DynaCut Extreme Hook & Loop Sanding Disc 6" 800 Grit Aluminum Oxide Film No Hole 50 Discs-Pack 91621
    Item# DY91621 / MFR Part # 91621
    Package
    Package
    Backorder

    Sold In: 1 Package

    Package