3M Cloth Belt 340D, 80 X-weight, 36 in x 75 in, Film-lok, Single-flex, Case of 3

• 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 high performance. This model features a heavyweight cloth backing that stands up well in demanding, high-production environments, ensuring long-lasting use.

Ideal for professionals, this belt offers consistent results across various sanding tasks. The 340D model is a reliable choice for those needing a tough abrasive belt that maintains quality over time.

Precise 80 X-weight Grade

This belt comes in an 80 X-weight grade, providing an effective balance between aggressive stock removal and smooth finishing. The grade is perfect for users who want efficient sanding without sacrificing surface quality.

With this grade, the belt performs well on both wood and metal surfaces, making it versatile for different projects. It’s especially suited for applications requiring a medium level of abrasion.

Optimal 36 Inch Size

The belt measures 36 inches by 75 inches, a size that fits many industrial sanding machines. This dimension supports wide belt sanding, edge sanding, and portable belt sanding, offering flexibility in use.

Its length and width make it suitable for smoothing large panels or detailed edges. The size ensures compatibility with a variety of sanding tools, enhancing productivity in workshops.

Advanced Film-lok Technology

Featuring Film-lok technology, this belt uses a film media splice that creates a secure bond between ends. This splice minimizes chatter marks and ensures a smooth running belt for consistent finishing results.

This technology is especially beneficial for maintaining belt integrity during heavy use. It helps reduce downtime by providing a reliable joint that withstands pressure and heat.

Convenient Case Pack

Sold as a case of 3 belts, this pack size offers convenience and value for frequent users. Having multiple belts on hand reduces interruptions and keeps projects moving efficiently.

The case pack is ideal for workshops or production lines needing a steady supply of 3M Cloth Belt 340D belts. It supports continuous work without frequent reordering.