3M™ Cloth Belt 384F, 50+ XF-weight, 2 in x 72 in, Film-lok, Single-flex, 5 ea/Case, Special Packaging

$9.62 / Each

SKU	7100405961
Legacy SKU	60440624132
UPC	00068060126689
Catalog Number	384F
Product Number	384F

3M Cloth Belt 384F is a general-purpose aluminum oxide cloth-backed belt recommended for metal deburring, general metalworking, and some woodworking applications. It is optimized for use on mild steel and carbon steel, and is also effective on softer metals like aluminum, bronze and brass.

General purpose belt delivers consistent, reliable performance on a wide range of substrates
Polyester waterproof backing holds up for wet and dry applications
XF-weight cloth backing withstands grinding and heavy sanding
Resin bond withstands high heat and pressure
Aluminum oxide abrasive mineral offers reliable performance and performs well on many substrates
Suitable for use on a backstand or benchtop belt sander and for stroke sanding, portable belt grinding, and wide belt grinding and finishing

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High-Quality Cloth Belt Materials

Durable

Versatile

Multi-Functional

Product Dimensions	Imperial	Metric
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Shipping Dimensions
Weight	2.155 lb
Length	13.8748 in
Width	13.8748 in
Height	2.3748 in

PRODUCT FAQ

What is the XF-weight designation on this belt?

XF-weight refers to the grit size of the abrasive coating. XF stands for extra fine, which means this belt produces a very smooth finish and is ideal for final finishing applications where you need minimal scratch patterns on your workpiece.
How long will a single belt last during typical use?

The lifespan depends on your specific application, material being worked, and operating conditions. However, the 50+ rating indicates this belt has excellent durability and longevity compared to standard belts, so you'll get extended service life and fewer belt changes overall.
What does "Film-lok" mean, and why does it matter?

Film-lok is 3M's adhesive technology that bonds the abrasive coating to the backing. It provides superior edge holding and reduces edge rounding, which means your belt stays sharp and effective throughout its life, giving you consistent results right until the end.
Is this belt suitable for both wood and metal?

Yes, the 384F cloth belt is versatile and works well on both wood and metal surfaces. The XF-weight makes it especially good for finishing work on either material where you want a refined surface with minimal visible scratches.
Why does the packaging say "Special Packaging" for this case of 5?

The special packaging ensures that all five belts arrive in perfect condition, properly protected during shipping. This means you can count on consistent quality across the entire case with no damaged edges or compromised abrasive coatings when you open the box.

For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.

```html Consistent, Reliable Performance

The 3M Cloth Belt 384F is engineered with fast-cutting aluminum oxide abrasive grains that are securely resin-bonded to a durable XF-weight polyester cloth backing. This construction delivers the sustained cutting action and extended service life required for demanding metalworking operations. The closed coat design ensures a uniform, refined surface finish and enables consistent grain pattern production during finishing tasks. The waterproof backing composition allows this abrasive belt to perform effectively in both wet and dry working environments without compromising integrity or performance.

Fast-Cutting Grain with Durable Construction

Aluminum oxide mineral stands as the preferred abrasive choice for industrial professionals worldwide due to its exceptional cutting efficiency, resistance to wear, and extended operational lifespan. This versatile abrasive material demonstrates effectiveness across a broad spectrum of materials encountered in both woodworking and metalworking operations, including ferrous alloys and various metals. As the most widely utilized industrial abrasive globally, aluminum oxide continues to prove its value in countless applications. The abrasive particles are permanently affixed to the cloth backing through advanced resin bonding technology, establishing a robust adhesion that endures extreme temperatures and substantial mechanical forces. These superior characteristics render the belt particularly well-suited for specialized applications such as gate grinding, weld seam removal, component deburring, and precision finishing work.

3M Engineered for Optimal Performance

3M Abrasives maintains extensive expertise in abrasive belt construction and design principles. With more than a century of industry presence, 3M has established itself as a premier abrasive manufacturer serving the metalworking and woodworking sectors globally. The company maintains an extensive portfolio of premium metalworking abrasive products specifically formulated to address the most challenging industrial requirements. The 3M Cloth Belt 384F represents the culmination of specialized engineering efforts to enhance cutting capability and material durability, delivering superior results in general purpose sanding and grinding applications. This product exemplifies how 3M's scientific innovations consistently deliver advanced solutions tailored to the evolving needs of industrial operations.

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