4 pieces 620/686/762/915mm 3M 577F Sanding Belt Sander Bands P40 P60 P80 P120 for Hard Metal Grinding

The rolls imported from USA, 3M 577F Zirconium oxide

• Size: 620x50mm, 686x50mm, 762x25mm, 760x40mm, 915x50mm
• Grit: 40#, 60#, 80#, 120# ( Optional, support MIX, Assorted means 1 piece each )
• Joint type: Butt joint
• Feature:

1. Excellent self-sharpen, wear resistant. 
2. High heat dissipation performance, ideal for grinding of hard metal like knife

• Application:

1. Non alloy steel: common structure steel, free cutting steel, heat treated steel, carbon tool steel etc.
2. Alloy steel: gate steel, heat-resistant steel and alloy steel, non magnetized steel, stainless steel(chromium, nickel chromium steel), corrosion-acid-hot resistant steel etc.
3. Non-ferrous metals: aluminum, copper, zinc, nickel, tin lead alloy
4. Wood: cork, hard wood, resin wood, HDF, MDF, OSB, wood chip, plywood
5. Other materials: acrylic glass, glass, rubber, synthetic materials, leather, porcelain, stone