Wheel
Motor Guard
Motor Guard JMC300AL Magna Cutter Wheel, 3 in Dia x 0.04 in THK Wheel, 3/8 in Center Hole, 25000 rpm
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Overview
Built for the job.
Motor Guard's magna-cutter abrasive cut-off wheel has been specially formulated to cut aluminum fast, cool and clean with no loading. A resin-bonded abrasive cut-off wheel specifically designed for cutting automotive aluminum body panels and structural components, the Magna-Cutter is available in 3 in (JMC300AL) and 4…
Why Pros Choose Motor Guard MTG
- Specially formulated for aluminum body panels and structural components
- Cuts fast, cool and clean with no loading
- Contains no ferrous materials, eliminates contamination
- Long wheel life
How to Use
For cutting automotive aluminum body panels and structural components
Compatibility
Compatible substrates: Aluminum.
Specifications
| Part No. | JMC300AL |
|---|---|
| Product Line | MTG |
| MFR Model | 640 |
| Application | For cutting automotive aluminum body panels and structural components |
| Manufacturer | Motor Guard Corporation (Optima) |
| UPC | 601965006405 |
| Brand | MOTOR GUARD |
| Center Hole Size (in) | 3/8 |
| Maximum Speed (rpm) | 25000 |
| Wheel Diameter (in) | 3 |
| Wheel Thickness (in) | 0.04 |
About Motor Guard
Motor Guard is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.
Frequently Asked Questions
What surfaces can Motor Guard MTG be used on?
Motor Guard MTG is compatible with Aluminum. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
How fast does autofxmart ship Motor Guard MTG?
Most in-stock orders for Motor Guard MTG ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Is this Motor Guard product genuine?
Yes. autofxmart is an authorized distributor of Motor Guard products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
What is the manufacturer part number (MPN) for Motor Guard MTG?
The MPN for Motor Guard MTG is JMC300AL. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.
How to apply
Steps
1Pick the right grit for the stage of work.
2Mount on your sander or backing block.
3Work evenly and let the abrasive cut.
4Step through finer grits to refine.
5Blow off and wipe the surface before the next step.
Specifications
Full data
Frequently asked
Good to know
Motor Guard Corporation (Optima) MTG is compatible with Aluminum. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
Most in-stock orders for Motor Guard Corporation (Optima) MTG ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of Motor Guard Corporation (Optima) products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
The MPN for Motor Guard Corporation (Optima) MTG is JMC300AL. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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