Weldfabulous Blog

Looking for fiber sanding discs that last longer, are more durable, and are made with the highest-quality materials in the USA?

With 50 years of experience, a comprehensive catalog, and world-renown reputation for quality, many would say that United Abrasives/SAIT is not just the best choice, but the only choice for fiber sanding discs.

United Abrasives/SAIT has established itself as the leader in the abrasives industry by only using premium grains and premium resin-over-resin construction to create its fiber sanding discs. The company’s dedication to quality is further evidenced by its use of premium heavy-duty fiberglass reinforcement so discs last longer and perform better. And unlike some manufacturers, United Abrasives never uses inferior fillers or bonding agents.

When it comes to safety, United Abrasives/SAIT is dedicated to rigorous quality control in each step of the manufacturing process using state-of-the-art equipment at its facilities in Connecticut and Florida. With this continuous focus on analysis, compliance, and rigorous product evaluation, United Abrasives/SAIT ensures the safest, most consistent, and best performing products available anywhere.

In addition, United Abrasives/SAIT offers the most comprehensive catalog of fiber sanding discs of any manufacturer with 12 types:

• AO Aluminum Oxide Fiber Discs (economical) is the economical choice for general grinding and offers a high-quality aluminum oxide grain with an open coat.
• 2A Aluminum Oxide Fiber Discs (general purpose) has a high-quality aluminum oxide grain and closed coat for more material removal and better finishing.
• 3A Aluminum Oxide Fiber Discs (grinding aid) offers a special aluminum oxide grain with grinding aids to reduce heat build-up and minimize loading, and a closed coat for more material removal and better finishing.

• AZ-X Zirconium Fiber Discs (economical) is an excellent economical choice when a zirconium/aluminum oxide blend is needed.
• Z – Zirconium Fiber Discs (aggressive grinding) offers a premium zirconium grain with a closed-coat structure for aggressive stock removal and long life on a variety of materials.
• 3Z – Zirconium Fiber Discs (grinding aid) has a premium zirconium grain with grinding aids to reduce heat build-up and minimize loading with a closed-coat structure for aggressive stock removal and long life.

• 7A-S Ceramic Blend Fiber Discs (economical) offers a high-performance ceramic blend for use on carbon steel and metal.
• 7S Ceramic Fiber Discs (high performance) has a high-performance ceramic grain that is excellent for carbon steel grinding and finishing.
• 9S Ceramic Fiber Discs (grinding aid) excels on heat sensitive materials and non-ferrous metals with exceptional performance and value due to its added grinding aids for reduced heat and decreased loading.

• 7-II Ceramic Fiber Discs (premium performance) is a new product that has a high-density ceramic grain for maximum performance, and is the highest-performing disc for carbon steel.

• 9-II Ceramic Fiber Discs (premium performance with grinding aid) is a new product that promises to be the highest-performing disc for stainless and high alloyed steels with its high-density ceramic grain for maximum performance combined with special grinding aids for reduced heat and decreased loading.

• Silicon Carbide Fiber Discs has a silicon carbide grain with a closed-coat structure for more material removal on various materials, and features a recessed center hole to help avoid scratching.

Many of these fiber sanding discs are available in bulk spindle packaging, which ensures that each disc remains perfectly flat. Smaller quantities are often available in Blue Line packaging. Blue Line fiber discs also are also available with the SAIT-LOK quick change hub and backing pad, which allows for fast disc changes, less downtime, and increases the usable abrasive surface area up to 100% by creating a flat profile.