| SKU | 7100405672 |
|---|---|
| Legacy SKU | 60440624157 |
| UPC | 00068060126702 |
| 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
Product Dimensions |
Imperial | Metric |
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| Width | 0 null | |
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Shipping Dimensions |
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| Weight | 1.946 lb |
|---|---|
| Length | 13.8748 in |
| Width | 13.8748 in |
| Height | 2.3748 in |
PRODUCT FAQ
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What is the grit size of the 3M™ Cloth Belt 384F?
The 3M™ Cloth Belt 384F comes in a 60+ XF-weight, which means it's a 60-grit abrasive belt. The XF designation indicates extra-fine performance for a smooth, consistent finish.
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What are the dimensions of this cloth belt?
This belt measures 2 inches wide by 72 inches long, making it ideal for a variety of sanders and finishing applications where you need a standard mid-sized belt.
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What does "Film-lok" mean and why is it important?
Film-lok is 3M's patented backing technology that provides superior adhesion and durability. It helps the abrasive coating stay firmly attached to the cloth backing, which means the belt lasts longer and performs more consistently throughout its life.
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How many belts come in each case?
Each case contains 5 individual belts, giving you a convenient quantity for regular production runs or workshop stocking without excessive overstock.
The 3M Cloth Belt 384F is engineered with fast-cutting aluminum oxide abrasive particles that are securely bonded to a heavy-duty XF-weight polyester cloth base. This combination delivers sustained cutting action and extended service life, making it particularly well-suited for demanding metalworking operations that require sustained productivity. The closed coat abrasive configuration ensures uniform results across the work surface, enabling operators to achieve precise, refined finishes while maintaining the ability to create intentional surface texture patterns when needed. The backing material features waterproof properties, allowing this belt to function effectively in both dry sanding applications and wet processing environments.
Fast-Cutting Grain with Durable ConstructionAluminum oxide stands out as a preferred abrasive mineral in industrial settings due to its exceptional cutting efficiency, resistance to breakdown during use, and superior longevity compared to alternative abrasive materials. Its versatility extends across numerous substrates in both woodworking and metalworking disciplines, with proven effectiveness on ferrous metals and alloys. As the most widely utilized abrasive in industrial manufacturing, aluminum oxide has earned its reputation through consistent performance in demanding applications. The abrasive particles are permanently affixed to the cloth substrate using specialized resin formulations, establishing a resilient bond capable of enduring the elevated temperatures and mechanical pressures generated during high-speed grinding and sanding operations. This robust construction makes the belt particularly effective for specialized tasks including:
- Gate grinding and weld seam removal
- Edge deburring and surface refinement
- General finishing operations
3M's abrasives division brings more than a century of innovation and expertise to belt design and manufacturing. Throughout its extensive history, 3M has established itself as a trusted abrasive solutions provider to metalworking and woodworking professionals worldwide. The company maintains an extensive portfolio of specialized abrasive products specifically formulated to address the most challenging industrial grinding and sanding requirements. The 3M Cloth Belt 384F represents the culmination of rigorous engineering development, incorporating enhanced cutting capacity and improved durability characteristics to deliver superior results across general-purpose sanding and grinding operations. This product exemplifies 3M's commitment to applying advanced material science and engineering principles to create solutions that meaningfully enhance industrial productivity and work quality.






