3M Cloth Belt 340D, 80 X-weight, 6 in x 108 in, Film-lok, Single-flex, Case of 20

• Heavyweight cloth backing provides durability for high-production environments
• Open coat construction provides improved cut on all woods and helps prevent loading
• Premium aluminum oxide offers increased cut-rate and abrasive life
• Resin bond construction withstands high heat and pressure for longer service life
• Washable backing enables repeated use on high-loading substrates such as pine

3M Cloth Belt 340D is an open coat premium grade aluminum oxide cloth belt that provides durability for aggressive stock removal, resists loading, and is suitable for a variety of applications on wood and metal. This belt is recommended for wide belt sanding, edge sanding, or portable belt sanding.

Fast-cutting aluminum oxide abrasive grains are resin-bonded to a durable cotton cloth backing to provide continuous cut and long-life. Our open coat and load-resistant coating make this belt particularly favorable for sanding soft woods. Additionally, the washable backing is suitable for high production environments where the belt may need washing at intervals to remove soft wood resin or pitch buildup.

Aluminum oxide mineral is a popular choice among industrial professionals because of its cut-rate, durability, and long life. It can be used on a wide variety of materials in both woodworking and metalworking, including ferrous alloys, and is the most commonly used industrial abrasive. The abrasive particles are adhered to the cloth backing with resin, creating a strong bond that withstands high heat and pressure.

Abrasive belts come in many different widths and lengths and are used on a variety of different belt sanding tools for many different applications on both wood and metal. At 3M we offer a broad selection of belts to fit most any industrial belt sander. Wider belts are used with wide belt sanders to dimension or finish wood panels, smooth rough cut edges of metal sheets, or add a grain pattern to stainless steel sheets. Medium-width belts fit onto edge sanders for sanding flat, narrow surfaces such as panel edges; and narrow belts are used with portable belt sanders for sanding or blending wood pieces such as cabinet doors.

Belts come with various splices that join the belt ends. A film media splice achieves a secure bond with a joining film that minimizes chatter marks, ensures a smooth running belt, and produces consistent finishing results. A sine wave splice is constructed of interlocking fingers that enable the splice to travel smoothly over contact wheels, reduce hinging, and provide added strength to the joint area. Sine wave splices are typically used for coarser grades and wide belts as well as on belts that are going to be washed.

Trusted 3M Cloth Belt

The 3M Cloth Belt 340D is designed for durability and performance. This model features a heavyweight cloth backing that stands up to high-production environments, ensuring long-lasting use. The 80 X-weight grade offers a balance of strength and flexibility for demanding tasks.

Ideal for professionals, this belt suits a variety of sanding needs. Its Film-lok technology provides a secure bond, reducing chatter and delivering consistent finishes. This case of 20 belts ensures you have plenty of supply for ongoing projects.

Optimal Size And Dimensions

Measuring 6 inches by 108 inches, this belt fits a wide range of sanding tools. The size is perfect for wide belt sanders, edge sanders, and portable belt sanders, making it versatile for different woodworking and metalworking applications.

The generous length and width allow for efficient sanding of large surfaces and edges. Whether smoothing wood panels or metal sheets, the 6 in x 108 in dimension supports consistent and effective stock removal.

Effective Open Coat Design

The open coat construction of this 3M belt helps prevent loading by allowing dust and debris to escape during sanding. This feature is especially useful when working with soft woods, where resin buildup can clog other belts.

By reducing loading, the belt maintains its cutting ability longer, improving productivity. This design also supports aggressive stock removal, making it suitable for both wood and metal surfaces.

Durable Single-Flex Format

The Single-flex format enhances the belt’s flexibility and strength, allowing it to handle high heat and pressure without breaking down. This makes it a reliable choice for continuous use in tough sanding conditions.

Its resin bond construction ensures the abrasive grains stay firmly attached to the cloth backing. This durability extends the belt’s service life, reducing downtime and replacement costs.

Convenient Case Of Twenty

Supplied in a case of 20, this pack size is ideal for workshops and production environments. Having multiple belts on hand means less interruption and more consistent workflow during sanding projects.

The pack supports high-volume use, whether for wide belt sanding or edge sanding tasks. It’s a practical choice for professionals who need reliable abrasive belts ready for immediate use.