How to Choose the Right Grit for Your Brushless Angle Grinder Discs and Pads

Angle grinders are versatile tools used in a variety of industries. To maximize their performance, it is essential to choose the right grit for the discs and pads. There are several factors to consider when purchasing abrasives for brushless angle grinder discs and pads.

Factors to Consider When Choosing the Right Grit

1. Material Being Worked On

Different materials require different grits. For example, when working on hard metals such as stainless steel, a higher grit is recommended. On the other hand, when working on softer materials like wood or plastic, a lower grit is more suitable.

2. Surface Finish

The final surface finish will determine the grit required. If a smooth finish is required, a higher grit is needed. If a rough finish is acceptable, a lower grit can be used.

3. Stock Removal

The amount of stock to be removed is an important consideration when selecting the right grit. If a significant amount of material needs to be removed, a lower grit is recommended. If only a small amount of material needs to be removed, a higher grit can be used.

4. Operating Speed

The operating speed of the grinder is another important factor to consider. The maximum operating speed must be in line with the maximum RPM of the abrasive. If the abrasive is not recommended for use at high speeds, it can result in damage to the pad or disc.

5. Abrasive Material

Different abrasive materials have different characteristics and are used for different purposes. Some abrasives are designed for aggressive stock removal, while others are used for finishing applications. The most common abrasive materials used in angle grinder discs and pads are aluminum oxide, zirconia alumina, ceramic aluminum oxide, and silicon carbide.

Types of Grit for Brushless Angle Grinder Discs and Pads

1. Coarse Grits (24-60)

Coarse grits are typically used for heavy stock removal and are used on hard materials such as metal, stainless steel, and cast iron. These grits are also used for shaping and grinding applications.

2. Medium Grits (80-180)

Medium grits are used for blending, finishing, and smoothing applications. They are suitable for use on a variety of materials, including wood, plastic, and metal.

3. Fine Grits (220-400)

Fine grits are used for completing finer finishing applications, such as sanding and polishing. They are suitable for use on a variety of materials, including wood, metal, and plastic.

4. Very Fine Grits (600-2000)

Very fine grits are used for final finishing applications and are typically used on softer materials such as wood and plastic. These grits are also commonly used for polishing applications.

5. Super Fine Grits (Over 2000)

Super fine grits are used for extremely high-quality finishing applications, such as polishing metal or stone surfaces to a mirror-like finish. These grits are typically used by professionals in specialized industries.

Conclusion

Choosing the right grit for your brushless angle grinder discs and pads is essential to achieving high-quality results. It is important to consider factors such as the material being worked on, the final surface finish required, the amount of stock removal needed, the operating speed of the grinder, and the abrasive material being used. With the right grit combination, your angle grinder will help you achieve professional results quickly and efficiently.