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    Abrasive Belts
    1. Home
    2. Abrasives
    3. Abrasive Belts
    Item # MM340D60X-4X24 • Mfr # 00051144274635

    3M 340D 4" x 24" Sanding Belt 60 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274635

    • Safety data, 00051144274635
      Safety data, 00051144274635
    • Technical data, 00051144274635
      Technical data, 00051144274635

    Description

    3M 340D 60 Grit 4 x 24 Portable Sanding Belt

    3M 340D 60 Grit 4 x 24 Portable Sanding Belt is a general purpose portable sanding belt built on an X-weight cloth backing, so it stands up to everyday abrasive belt use on jobsite or shop belt sanders. The aluminum oxide abrasive is engineered to provide a good cut, which helps you remove stock efficiently during leveling or shaping passes. This 340D version is an open coat belt, so the spacing between abrasive grains is designed to give a good cut with less loading in dusty sanding conditions. The 4 x 24 size matches many portable belt sanders, letting you put the belt straight into typical industrial and woodworking workflows. As part of the 3M 340D and 341D family, this belt sits in a well-established abrasive line for industrial and occupational users.

    Key Sanding Belt Details That Drive Results

    • The 340D general purpose portable sanding belt design supports a wide range of everyday abrasive belt tasks, so one belt can cover many standard sanding operations in industrial or woodworking environments.
    • The open coat aluminum oxide construction on 340D provides a good cut with less loading, which helps the belt keep cutting instead of glazing over when sanding materials that generate heavy dust.
    • The X-weight cloth backing provides a strong, flexible base for the abrasive, which supports consistent tracking on portable belt sanders during repeated passes.
    • The 60 grit specification delivers a coarse cut that is suited to more aggressive stock removal and shaping, preparing surfaces for subsequent finer grits in a sanding sequence.
    • The 4 x 24 belt size fits many portable belt sanders, helping integrate this abrasive belt into existing portable sanding setups without changing tool format.

    Portable Belt Fit And Sanding Workflow Use

    The 4 x 24 dimension is specified for this 3M 340D sanding belt, so it is sized for portable belt sanding where a longer belt supports extended contact on the work surface. The general purpose description aligns this belt with routine sanding, where a single abrasive type needs to bridge between different wood or similar materials. The X-weight cloth backing is designed for portable belt use, providing enough stiffness to stay stable under belt tension while still flexing around typical contact wheels and platens. The open coat design supports longer sanding passes by reducing loading, so you can carry a cut farther across panels or parts before changing belts.

    How This 3M Abrasive Belt Works In Practice

    Using The 4 x 24 Belt On Portable Sanders

    This 3M 340D sanding belt is listed in 4 x 24 size, so it is suited to portable belt sanders that are built around that belt length and width. In use, the X-weight cloth backing helps the belt track consistently over the platen and rollers, supporting smoother sanding passes across edges, frames, or broader surfaces. The aluminum oxide abrasive on this portable sanding belt delivers a good cut, so each pass removes material effectively when performing general purpose sanding. Because 340D is identified as part of the 3M general purpose portable sanding belt line, it is intended to slot into regular belt sanding tasks rather than niche, highly specialized work. The 60 grit rating positions this belt at the coarse end of the 340D available range, which spans from 50 to 120 grit, so it is oriented toward initial leveling or shaping before finer grits are used.

    Why Open Coat 60 Grit Matters For Workflow

    The 340D designation marks this belt as an open coat abrasive, and that structure is described as providing a good cut with less loading, so abrasive grains stay more available as dust moves through the spaces between them. In a portable sanding workflow, that less loading behavior helps maintain a more predictable cut rate from the start of the belt life through longer passes, reducing interruptions from belt glazing. The 60 grit grade sits near the coarse range of the general purpose 340D offering, so the cut profile is aggressive enough for stock removal while still supporting a general purpose role instead of ultra-rough grinding. Being part of an excellent all-around abrasive belt line for everyday use, this specific belt gives installers and shop users a consistent option when they want one abrasive that ties to a larger 3M 340D and 341D system across multiple belt sizes and grit steps.

    Common Questions About This 3M 340D Sanding Belt

    What material is used on the 3M 340D sanding belt?

    The 3M 340D sanding belt uses aluminum oxide abrasive on an X-weight cloth backing, which supports a good cut with a strong, flexible belt foundation.

    How does the open coat design affect sanding performance?

    The open coat 340D design is described as providing a good cut with less loading, so abrasive grains stay more effective when sanding in dust-generating applications.

    What is the role of the X-weight cloth backing?

    The X-weight cloth backing supports the aluminum oxide abrasive with strength and flexibility, which helps the belt stay stable and track well on portable belt sanders.

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

    The 340D line is available from 50 to 120 grit, so 60 grit sits near the coarse end and is suited to more aggressive general purpose stock removal.

    What sanding tasks suit this general purpose portable belt?

    This belt is described as an excellent all-around abrasive belt for everyday use, so it aligns with routine portable belt sanding tasks in industrial settings.

    Is this 3M 340D sanding belt intended for industrial users?

    This 3M product is stated as for industrial and occupational use only, so it is intended and labeled for trained workplace users rather than consumer use.

    Selecting This 4 x 24 Belt For Your Sanding

    This 3M 340D 60 grit 4 x 24 aluminum oxide sanding belt combines an open coat design, X-weight cloth backing, and general purpose portable sanding role, so it aligns with everyday industrial belt sanding where a good cut with less loading is valuable.

    Catalog
    Q-31
    Grit
    60
    Length (in)
    24 in
    Width (in)
    4 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)
    4 in
    Backing Weight
    X-weight, Cloth
    Product Type
    Sanding Belts, Portable
    Manufacturer Series
    340D
    Mineral
    Aluminum oxide
    Supplier Pack Size
    50
    Sold In
    10
    3M
    506080100120
    $183.30/10 Belt
    $18.33 /Belt
    50+ items
    $15.41 / Belt
    3M 340D 4" x 24" Sanding Belt 60 Grit Aluminum Oxide X-Weight Cloth Bulk/10 51144274635
    Item# MM340D60X-4X24 / MFR Part # 00051144274635
    Belt
    Belt
    In Stock

    Sold In: 10 Belt

    Belt

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    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
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    MM340D100X-3X24
    Mfr# 00051144274710
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    MM340D100X-4X24
    Mfr# 00051144274611
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    Mfr# 00051144274703
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    Mfr# 00051144274604
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    Mfr# 00051144274642
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    Sold in: 10 Belt
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    Mfr# 00051144274987
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    MM340D60X-3X24
    Mfr# 00051144274734
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    Mfr# 7100231077
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    Mfr# 7100231078
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    MM341D60X-3X24
    Mfr# 00051115666056
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