3M Paper Sheet 346U, 80 D-weight, 3 in x 8 in, 200/Carton, 2000 ea/Case

• Load resistant open-coat feature enables longer use before replacement
• Sheets are conformable to various workpieces and usable by either hand or machine
• Sheets come in a number of sizes to accommodate various applications
• Strong, D-weight paper backing supports aggressive sanding
• Tough aluminum oxide abrasive cuts fast and performs well on many surfaces

3M Paper Sheet 346U is constructed of aluminum oxide and comes in a range of grades and sizes to accommodate many different projects. The paper backing is durable for coarse sanding, yet flexible enough to be used on curved surfaces. Its cut-rate and durability make this an excellent choice for blending the joints of connecting pieces in wood- and metal-working.

Aluminum oxide is a very hard mineral that maintains sharp points on the grains much longer than natural abrasives such as emery or garnet. The abrasive grains are adhered to the sandpaper with some space between them, known as open-coat construction, to minimize the buildup of dust on the surface of the paper, which would otherwise load the abrasive points. Loading often results from sanding soft materials and can clog the abrasive, shortening the usable life of the sandpaper sheet.

Trusted 3M Paper Sheet

The 3M Paper Sheet 346U is a reliable choice for sanding tasks, featuring the trusted 3M brand known for quality abrasives. This model offers consistent performance with an 80 D-weight paper backing that supports aggressive sanding jobs.

Its durable construction makes it suitable for various projects, ensuring you get dependable results every time. The 346U model is designed to meet professional standards, making it a solid option for both hand and machine use.

Strong D-Weight Backing

The 80 D-weight paper backing provides strength and flexibility, allowing the sheets to conform to different workpieces. This backing supports tough sanding without tearing, which is essential for demanding applications.

Because of this backing, the sheets work well on curved surfaces and maintain durability during coarse sanding. This feature helps extend the life of each sheet, reducing the need for frequent replacements.

Precise 3 Inch Dimensions

Each sheet measures 3 inches by 8 inches, a size that fits comfortably in hand and is compatible with many sanding machines. These dimensions make the sheets versatile for a variety of sanding tasks, from detailed work to larger surface preparation.

The 3 in x 8 in size balances control and coverage, allowing users to sand efficiently without sacrificing precision. This format suits both woodworking and metalworking projects where exact sizing matters.

Convenient 200 Sheet Carton

The sheets come packaged in cartons of 200, providing a large quantity for ongoing projects or professional use. This pack size ensures you have enough sheets on hand to complete multiple jobs without interruption.

With 200 sheets per carton and 2000 sheets per case, this format supports bulk purchasing and storage, making it cost-effective for workshops and industrial settings.

Open-Coat Abrasive Technology

The open-coat design of the aluminum oxide abrasive reduces dust buildup, which helps maintain sharp cutting points longer. This feature allows the sheets to stay effective over extended use, especially when sanding softer materials.

Aluminum oxide grains cut fast and perform well on many surfaces, making these sheets suitable for blending joints in wood and metal. The open-coat construction minimizes clogging, extending the sheet's usable life.