3M Cloth Belt 340D, P120 X-weight, 4 in x 24 in, Fabri-lok, Single-flex, 10/Carton, Case of 50

• 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 heavyweight cloth backing that stands up to tough, high-production environments, ensuring long-lasting use.

Ideal for aggressive stock removal, the P120 X-weight grade offers a balance of cut-rate and longevity. It’s perfect for professionals who need reliable sanding on wood and metal surfaces.

Precise Size And Format

This belt measures 4 in x 24 in, fitting a variety of belt sanding tools. Its Fabri-lok single-flex design allows for smooth operation and easy installation on portable or wide belt sanders.

Whether sanding cabinet doors or large wood panels, the 4 by 24-inch size provides versatility. The single-flex format helps maintain consistent contact with surfaces for even sanding results.

Open Coat Cut Efficiency

The open coat construction on this 3M belt helps prevent loading by allowing dust and debris to escape. This feature improves cutting efficiency, especially on soft woods where clogging is common.

Users will notice faster sanding with less downtime for cleaning. This makes the belt suitable for high-production tasks where maintaining speed and finish quality is essential.

Durable Resin Bonding

Premium aluminum oxide grains are resin bonded to the cloth backing, creating a strong bond that withstands heat and pressure. This resin bond extends the belt’s abrasive life during demanding sanding jobs.

The P120 grade aluminum oxide is a popular industrial abrasive, effective on both wood and metal. This durability means fewer belt changes and more consistent performance over time.

Convenient Pack Count Included

This product comes in a pack of 10 belts per carton and 50 belts per case, making it easy to stock up for ongoing projects. The pack size supports continuous work without frequent reordering.

Having multiple belts on hand is especially useful in busy workshops or production lines. The 10/Carton and 50 ea/Case packaging ensures you’re prepared for various sanding needs.