3M Wet or Dry Tri-Mite Abrasive Sheet – 9" x 11"

3M Wet or Dry Tri-Mite Coated Abrasive Sheet – 9" x 11"

Achieve a smooth, consistent finish with 3M Tri-Mite coated abrasive sheets, designed for reliable performance in both wet and dry sanding applications. Built for durability and fast cutting action, these sheets deliver professional results across a wide range of materials.

Ideal for metalworking, casting cleanup, lapidary work, automotive finishing, jewelry making, and general shop use, Tri-Mite sheets provide the flexibility and control needed for precision surface preparation and finishing.

🔧 Key Features:

• Wet or Dry Use – Minimize dust and improve finish quality
• Durable Backing – Resists tearing during extended sanding sessions
• Consistent Abrasive Grain – Uniform scratch pattern and predictable results
• Fast Cutting Action – Efficient material removal with less effort
• Versatile Applications – Works on metal, wood, plastics, and composites
• Standard Size – 9" x 11" sheets, easy to cut or fold as needed

📏 Available Grits:

Select the appropriate grit for your application:

• 180 Grit – Surface prep and initial smoothing
• 220 Grit – Blending and light material removal
• 320 Grit – Fine sanding and pre-finish work
• 400 Grit – Surface refinement before polishing
• 600 Grit – Ultra-fine finishing and polishing prep

🛠️ Common Applications:

• Metal finishing and polishing prep
• Casting and mold cleanup
• Lapidary and jewelry work
• Automotive paint sanding and refinishing
• Woodworking and surface preparation

💡 Pro Tips for Best Results:

• Start with a lower grit and work progressively to finer grits for a smoother finish
• Use wet sanding with finer grits (400–600) to reduce dust and improve surface quality
• For polishing prep, follow a full grit progression (e.g., 220 → 320 → 400 → 600)

👉 Pro Tip: Many professionals purchase multiple grits at once to complete the full sanding process—save time and get better results by progressing through grits in one workflow.

❓ Not Sure Which Grit You Need?

Our team is happy to help—contact us and we’ll point you to the right option for your application.

⭐ Why Choose 3M Tri-Mite?

Trusted by professionals and hobbyists alike, 3M abrasives are known for consistent quality, long life, and dependable performance in demanding environments.