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    Abrasive Belts
    1. Home
    2. Abrasives
    3. Abrasive Belts
    Item # MM340D60X-3X24 • Mfr # 00051144274734

    3M 340D 3" x 24" Sanding Belt 60 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274734

    • Technical data, 00051144274734
      Technical data, 00051144274734
    • Safety data, 00051144274734
      Safety data, 00051144274734

    Description

    3M 340D 60 Grit 3 x 24 Sanding Belt Use

    3M 340D 60 Grit 3 x 24 sanding belt is a general purpose portable sanding belt that uses aluminum oxide on X-weight cloth, so it delivers a strong cutting action while staying durable under handheld belt sander pressure. The 340D version is described as an open coat belt that provides a good cut with less loading, which helps keep the abrasive cutting instead of glazing over in dusty wood or composite work. As a 60 grit belt, it is suited to more aggressive stock removal where a coarse scratch pattern is acceptable before progressing to finer steps. The cloth-backed construction supports consistent tracking on portable sanders, which matters for installers and shop users who need predictable performance across multiple belts during repetitive tasks.

    Key 3M 340D Sanding Belt Job Advantages

    • The belt is identified as a 3M 340D general purpose portable sanding belt, which supports everyday sanding tasks in industrial and occupational settings where a single go-to belt simplifies abrasive selection.
    • The abrasive uses aluminum oxide on X-weight cloth, providing a tough grain on a heavy backing that stands up to repeated passes on wood or similar materials in shop and jobsite workflows.
    • The 340D belt is called an open coat belt that provides a good cut with less loading, helping the belt shed dust more easily so the working surface stays more open during longer sanding cycles.
    • The product is part of the 3M 340D and 341D family described as excellent all-around abrasive belts for everyday use, supporting routine sanding operations where installers and fabricators want predictable, repeatable results.
    • The belt is specified at 60 grit within the 340D range that is available in 50 to 120 grit, giving a clearly defined coarse step that fits into a structured grit sequence when preparing surfaces.

    Portable Sanding Belt Fit And Use Details

    This 3M 340D 60 Grit 3 inch x 24 inch portable sanding belt is sized for sanders that accept 3 inch x 24 inch belts, so it fits machines built around that length and width for handheld use. The X-weight cloth backing supports tensioning on the sander without tearing as easily as lighter backings, which is important when the belt is installed tightly around drive and idler rollers. Because it is designed as a general purpose portable sanding belt, it suits workflows where the same sander is moved between workpieces in industrial or occupational environments. The open coat design described for 340D keeps more space between abrasive grains, which influences how the belt behaves under load and affects how smoothly it tracks over work surfaces.

    Using This General Purpose Abrasive Belt In Workflows

    Where This X-Weight Cloth Sanding Belt Fits

    The 3M 340D and 341D general purpose portable sanding belt line is positioned as an excellent all-around abrasive belt for everyday use, so this 3 inch x 24 inch 340D 60 grit version fits into routine shop or jobsite sanding tasks. The belt uses aluminum oxide on X-weight cloth, meaning the grain and backing combination is intended for industrial and occupational use where belts encounter repeated cycles on portable sanders. The 340D version is identified specifically as an open coat belt that provides a good cut with less loading, which supports use in applications where dust generation is high and reduced loading helps maintain productivity between belt changes. Since 340D is available in 50 to 120 grit and this belt is 60 grit, it sits toward the coarse end of that range and can serve as an early step in a grit sequence.

    Why The 3M 340D Sanding Belt Details Matter

    The description of the 3M 340D and 341D series as excellent all-around abrasive belts for everyday use indicates that this 340D 60 grit 3 inch x 24 inch belt is designed to integrate smoothly into repeatable sanding workflows. The open coat construction on 340D providing a good cut with less loading helps the belt stay effective longer in continuous duty, which can reduce interruptions during industrial or occupational sanding runs. Aluminum oxide on X-weight cloth offers a balance of cutting speed and backing strength, so the belt can remain stable during aggressive passes that a 60 grit abrasive encourages. The clarification that these products are for industrial or occupational use only and are intended, labeled, and packaged for workplace use signals that they are specified for trained users in professional environments, aligning this belt with commercial fabrication, installation, or maintenance operations rather than casual home use.

    Common Questions About 3M 340D 60 Grit Belts

    What type of abrasive is on the 3M 340D 60 grit belt?

    The 3M 340D 60 grit 3 inch x 24 inch portable sanding belt uses aluminum oxide on X-weight cloth, providing a commonly used industrial abrasive grain on a heavy backing for everyday sanding work.

    How is the 3M 340D belt described for general use?

    The 3M 340D general purpose portable sanding belt is described as an excellent all-around abrasive belt for everyday use, supporting routine sanding tasks in industrial or occupational settings.

    What does open coat mean on the 340D sanding belt?

    The 340D is identified as an open coat belt that provides a good cut with less loading, meaning the grain spacing is designed to reduce loading so the belt keeps cutting effectively.

    Where does the 60 grit 340D belt fit in the range?

    The 340D series is available in 50 to 120 grit, so the 60 grit 3 inch x 24 inch belt sits toward the coarse side of that range for more aggressive sanding steps.

    What belt size is this 3M 340D version made for?

    This 3M 340D portable sanding belt is specified as 3 inch x 24 inch, so it is sized for belt sanders designed to run that width and length in portable use.

    Who is the 3M 340D sanding belt intended for?

    The 3M 340D sanding belt is described as for industrial or occupational use only and is intended, labeled, and packaged for sale to trained industrial and occupational customers.

    Select This 3M 340D Belt For Coarse Sanding

    The 3M 340D 60 Grit 3 inch x 24 inch portable sanding belt combines aluminum oxide on X-weight cloth with an open coat construction, so it supports aggressive cutting with less loading in everyday sanding. As part of the 3M 340D and 341D general purpose belt family described as excellent all-around abrasive belts for everyday use, this belt fits well into industrial and occupational workflows that rely on portable sanders. For jobs that call for a coarse, general purpose 3 inch x 24 inch belt within a defined 340D 50 to 120 grit range, this 60 grit option provides a clearly identified step for consistent process planning.

    Catalog
    Q-31
    Grit
    60
    Length (in)
    24 in
    Width (in)
    3 in
    Backing Weight
    X-weight, Cloth
    Product Type
    Sanding Belts, Portable
    Manufacturer Series
    340D
    Mineral
    Aluminum oxide
    Supplier Pack Size
    50
    Sold In
    10
    Catalog
    Q-31
    Grit
    60
    Length (in)
    24 in
    Width (in)
    3 in
    Backing Weight
    X-weight, Cloth
    Product Type
    Sanding Belts, Portable
    Manufacturer Series
    340D
    Mineral
    Aluminum oxide
    Supplier Pack Size
    50
    Sold In
    10
    506080100120
    3M
    $115.80/10 Belt
    $11.58 /Belt
    50+ items
    $9.74 / Belt
    3M 340D 3" x 24" Sanding Belt 60 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274734
    Item# MM340D60X-3X24 / MFR Part # 00051144274734
    Belt
    Belt
    In Stock

    Sold In: 10 Belt

    Belt

    Additional Accessories

    Quantity
    Unit Price
    Catalog
    Sold in: 10 Belt
    Q-31
    MM340D100X-3X21
    Mfr# 00051144274963
    3M 340D 3" x 24" Sanding Belt 100 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274710
    Sold in: 10 Belt
    Q-31
    MM340D100X-3X24
    Mfr# 00051144274710
    3M 340D 3" x 24" 100 Grit Sanding Belt Aluminum Oxide X-Weight Cloth Bulk/10 51144274710
    Sold in: 10 Belt
    Q-31
    MM340D100X-4X24
    Mfr# 00051144274611
    3M 340D 4" x 24" Sanding Belt 100 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274611
    Sold in: 10 Belt
    Q-31
    MM340D120X-3X24
    Mfr# 00051144274703
    3M 340D 3" x 24" Sanding Belt 120 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274703
    Sold in: 10 Belt
    Q-31
    MM340D120X-4X24
    Mfr# 00051144274604
    3M 340D 4" x 24" Sanding Belt 120 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274604
    Sold in: 5 Belt
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    MM340D50X-4X24
    Mfr# 00051144274642
    3M 340D 4" x 24" Sanding Belt 50 Grit Aluminum Oxide X-Weight Cloth Bulk/5 51144274642
    Sold in: 10 Belt
    Q-31
    MM340D60X-3X21
    Mfr# 00051144274987
    3M 340D 3" x 21" Sanding Belt 60 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274987
    Sold in: 10 Belt
    Q-31
    MM340D60X-4X24
    Mfr# 00051144274635
    3M 340D 4" x 24" Sanding Belt 60 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274635
    Sold in: 10 Belt
    Q-31
    MM340D80X-3X21
    Mfr# 7100231166
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    Sold in: 10 Belt
    Q-31
    MM340D80X-3X24
    Mfr# 7100231077
    3M 340D 3" x 24" Sanding Belt 80 Grit Aluminum Oxide X-Weight Cloth Bulk/10 7100231077
    Sold in: 10 Belt
    Q-31
    MM340D80X-4X24
    Mfr# 7100231078
    3M 340D 4" x 24" Sanding Belt 80 Grit Aluminum Oxide X-Weight Cloth Bulk/10 7100231078
    Sold in: 5 Belt
    MM341D60X-3X24
    Mfr# 00051115666056
    3M 341D 3" x 24" Sanding Belt 60 Grit Aluminum Oxide X-Weight Cloth Bulk/5 51115666056