Standard Abrasives Aluminum Oxide Cartridge Roll, 712902, CR-ST, 80, 3/4 in x 2 in x 3/16 in, Straight, 2Case of 5

• Arbor hole accommodates mandrel tool attachment, so abrasive may be used with various tools
• Ideal for blending, deburring and polishing on ferrous metals
• Multi-layer, multi-wear design enhances abrasive longevity and helps produce a consistent cut
• Straight cylindrical shape enables operators to finish hard-to-reach areas
• Versatile range of minerals and grades are designed to meet specific project needs

Standard Abrasives Aluminum Oxide Cartridge Roll is ideal for fast cutting on irregular contours and other hard-to-reach areas on all ferrous metals.

Recommended Applications
​The multi-layered Standard Abrasives™ Aluminum Oxide Cartridge Roll exposes new abrasive cutting points throughout the life of the roll. Combining an aggressive cut with durability makes it great for polishing, edge breaking and removal of machine tool marks or flash. Its small size and shape enable it to blend, deburr and polish inside holes and diameters or on irregular surfaces and contours.The cartridge roll has an arbor hole to accommodate a mandrel tool attachment (sold separately). This mandrel attaches to a rotary tool such as a die grinder or drill and comes in different sizes to fit a variety of cartridge roll sizes. Together, the mandrel and cartridge roll enable the user to grind or finish hard-to-reach areas of a workpiece, such as angles and curves.

The Aluminum Oxide Cartridge Rolls come in a variety of sizes and grades, so it can be tailored to meet your project needs.Grades range from 36 to 400, producing a spectrum of finishes, from coarse to fine.It is made with aluminum oxide mineral, which cuts sharp and is friable – fragmenting under heat and pressure to reveal sharp cutting edges as it abrades the surface.The straight roll design is cylindrical, which helps it roll over irregular contours.

Benefits of a Multi-Layer Design
The multi-layer, multi-wear design of Standard Abrasives™ Aluminum Oxide Cartridge Roll keeps it cutting sharp and helps it withstand repeated wear. As top layers wear down over time, underlying layers expose fresh mineral, so you get a consistent cut, part after part.Wrapping multiple layers of the abrasive material around into a roll contributes to its sturdiness and durability. A resin bond securely anchors mineral to the cloth backing – also enhancing the abrasive's toughness and strength. The closed-coat construction means mineral grains cover 100 percent of the cloth backing, so you get a smoother, more consistent finish is achieved. Seemingly small, these cartridge rolls conquer big challenges when space gets tight.

Standard Abrasives Model

The Standard Abrasives Aluminum Oxide Cartridge Roll, model 712902 CR-ST, offers reliable performance for various metalworking tasks. This model is designed with precision to meet demanding abrasive needs.

Its aluminum oxide mineral ensures sharp cutting edges, making it ideal for blending, deburring, and polishing ferrous metals. The CR-ST designation refers to its straight cylindrical shape, perfect for detailed work.

Grade And Format Details

This cartridge roll comes in an 80 grit grade, balancing aggressive cutting with smooth finishing. The multi-layer, multi-wear design helps maintain consistent cutting performance throughout its use.

The straight format allows the roll to reach tight or irregular contours, making it suitable for polishing and edge breaking on complex surfaces. This format enhances access to hard-to-reach areas.

Dimensions And Size

Measuring 3/4 inch by 2 inches by 3/16 inch, this cartridge roll fits well in compact spaces. Its size supports detailed work inside holes and on irregular surfaces without sacrificing control.

The cylindrical shape rolls smoothly over contours, enabling operators to finish angles and curves effectively. These dimensions make it versatile for various metal finishing projects.

Pack Count And Usage

Each case contains 25 cartridge rolls, providing ample supply for ongoing projects. This pack size supports consistent workflow without frequent reordering.

The rolls are designed for use with mandrel tool attachments, sold separately, which fit various rotary tools. This compatibility extends the roll’s usefulness across different applications.

Multi-Layer Design Benefits

The multi-layer construction exposes fresh abrasive layers as the top wears down, maintaining sharpness and cutting efficiency. This design extends the roll’s lifespan and performance.

With a resin bond securing the mineral to the cloth backing, the cartridge roll offers toughness and durability. The closed-coat construction ensures a smooth, consistent finish on all ferrous metals.