Scotch-Brite Universal Surface Conditioning Back-up Pad, 89870, 4.5 in (115mm), Case of 10

• 3M Dual Lock attachment helps enable quick and easy disc changes
• Available in 4”, 4.5” and 5” diameters to accommodate corresponding Scotch-Brite nonwoven disc diameters
• Available in multiple configurations to match your application needs
• Contains three different attachment nuts: M10, M14 and 5/8-11, as well as optional snap-in center post
• Low-profile design fits within most grinder guards
• Offers performance and convenience at a value price point
• Threaded design for easy, secure attachment to tool

Scotch-Brite Universal Surface Conditioning Back-up Pad is designed to optimize the performance of nonwoven abrasive discs. It comes packaged with everything you need for quick and easy tool attachment, including three attachment nuts and an optional snap-in center post. Optimized for Nonwoven Abrasives. To get the right finish, you need the right abrasives, tools and accessories. That’s why 3M engineers developed the Scotch-Brite Universal Surface Conditioning Back-up Pad. Designed for performance and flexibility, this pad can be used in multiple configurations depending on your disc type — with snap-in center post for discs with center holes, or without the center post for flat finishing applications. The Full System Advantage: The Scotch-Brite Universal Surface Conditioning Back-up Pad is part of a complete surface conditioning system. When you combine this back-up pad with Scotch-Brite Surface Conditioning Discs and a 3M Angle Grinder, you’re helping to set yourself up for a new level of productivity. When used together, the effectiveness of each component is enhanced to provide optimal abrasive performance — including abrasive life, cut-rate and consistency.

Trusted Scotch-Brite Quality

The Scotch-Brite Universal Surface Conditioning Back-up Pad, model 89870, is designed to deliver reliable performance. This 3M product ensures consistent results when paired with Scotch-Brite nonwoven abrasive discs.

Its compatibility with 3M systems means you get a tested and proven tool for surface conditioning tasks. The 4.5 inch (115mm) size fits many common applications, making it a versatile choice.

Optimized Size And Format

This back-up pad comes in a 4.5 inch (115mm) diameter, matching the size of Scotch-Brite nonwoven discs for optimal fit. The size ensures even pressure distribution and effective surface conditioning.

Available in 4”, 4.5”, and 5” diameters, this 10 ea/Case pack offers enough quantity for multiple projects or ongoing use. The format supports quick disc changes and consistent results.

Flexible Attachment Options

The pad includes three different attachment nuts: M10, M14, and 5/8-11, plus an optional snap-in center post. This variety allows it to fit a wide range of grinders and disc types.

Its threaded design ensures a secure and easy attachment to your tool. This flexibility means you can switch discs quickly without compromising safety or performance.

Low-Profile Design Benefits

The low-profile design of this back-up pad fits within most grinder guards, enhancing safety during use. This compact shape also helps maintain control and precision while working.

Its design supports both discs with center holes using the snap-in post and flat finishing applications without it. This adaptability makes it suitable for various surface conditioning tasks.

Value And Convenience Pack

Offered in a 10 ea/Case pack, this back-up pad provides excellent value for professionals and hobbyists alike. The package includes everything needed for quick tool attachment and disc changes.

Combining this pad with Scotch-Brite Surface Conditioning Discs and a 3M Angle Grinder enhances productivity. The system approach improves abrasive life, cut rate, and finish consistency.