3 By 21 Inch Sanding Belt Set Pro Grade Aluminum Oxide Grits 40 60 80 120 180 240 400 21 Pieces For Belt Sander Woodworking Metal Polishing And Knife Sharpening
✔️ 21 belts, 3x21 in, grits 40-400, aluminum oxide, open coat
These sanding belts are a 21-piece set of 3x21 inch belts designed for belt sanders. They’re commonly used in woodworking, metalworking, and finishing tasks to smooth rough surfaces, remove finishes, and prep stock for painting or polishing.
✅ 21 belts in 3x21 inch size with grits 40/60/80/120/180/240/400
✅ Aluminum oxide on open-coat X-weight cloth for long life
✅ Reinforced joint with adhesive tape keeps seam flat and prevents belt jumps
✅ Anti-static and anti-clogging properties reduce loading
✅ Suitable for wood, metal, plywood, and knife sharpening
✅ Tensile strength over 2000 N for high durability
💡 What is a typical use for sanding belts and why choose aluminum oxide?
Handy for quick material removal and surface prep across wood, metal, and composites.
- They fit standard belt sanders with 3x21 inch belts
- Aluminum oxide belts offer durable wear on tough surfaces
- They help remove old finishes and level surfaces before finishing