3M™ Cloth Belt 384F, 36+ XF-weight, 2 in x 72 in, Film-lok, Single-flex, 5 ea/Case, Special Packaging

$8.79 / Each

SKU	7100405702
Legacy SKU	60440624108
UPC	00068060126658
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	2.43 lb
Length	13.8748 in
Width	13.8748 in
Height	2.3748 in

PRODUCT FAQ

What is the XF-weight grit level best used for?

The 36+ XF-weight grit is an aggressive abrasive that's ideal for heavy stock removal and fast cutting on wood, composite materials, and metal. It's perfect when you need quick results on rough surfaces.
Will this belt work on my standard 2 x 72 belt sander?

Yes! The 2 x 72 inch size is a standard dimension that fits most common belt sanders on the market, making it a versatile choice for your shop.
What does "Film-lok" mean and why does it matter?

Film-lok is 3M's proprietary backing technology that provides superior adhesion between the abrasive and the belt backing, which means better durability and fewer belt slippage issues during use, giving you excellent value and reliability.

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 bonded to a robust XF-weight polyester cloth backing. This construction delivers sustained cutting action and extended service life, making it particularly well-suited for demanding metalworking operations that require both efficiency and durability. The closed coat design ensures a uniform, refined surface finish and enables the creation of precise grain patterns on workpieces. Additionally, the waterproof backing allows for versatility in application, supporting both wet and dry working conditions without compromising performance or longevity.

Fast-Cutting Grain with Durable Construction

Aluminum oxide is the abrasive mineral of choice for numerous industrial professionals due to its exceptional cutting efficiency, resistance to wear, and extended operational lifespan. This versatile mineral performs reliably across a diverse range of materials in both woodworking and metalworking disciplines, including ferrous alloys, and maintains its position as the most widely utilized abrasive in industrial applications worldwide. The abrasive particles are securely attached to the cloth backing through a resin bonding process, which produces a strong adhesive connection capable of withstanding elevated temperatures and significant mechanical pressures. These performance characteristics make the belt particularly effective for specialized tasks such as gate grinding, weld seam removal, deburring operations, and precision finishing work on metal surfaces.

3M Engineered for Optimal Performance

3M's abrasives division possesses extensive expertise in the design and manufacturing of abrasive belt systems. With more than a century of industry leadership, 3M has established itself as a trusted supplier to the metalworking and woodworking sectors. The company provides a comprehensive portfolio of premium metalworking abrasive products engineered to address complex and demanding applications. The 3M Cloth Belt 384F represents the culmination of specialized engineering designed to maximize both cutting speed and material durability for superior results in general purpose sanding and grinding operations. This product exemplifies how 3M's scientific innovation continuously delivers enhanced solutions tailored to the evolving needs of industrial professionals.

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