3" x 18" Sanding Belts

3" x 18" Sanding Belts

  • $16.95
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3" x 18" Aluminum Oxide Sanding Belts

USA1 Abrasives 3" x 18" Sanding Belts are a popular size for portable belt sanders used in woodworking, metalworking, and finishing. Semi-open coat aluminum oxide on X-weight cloth backing delivers fast, consistent stock removal with excellent clog resistance. Available in a wide grit range from aggressive stock removal to fine finishing. Sold in packs of 10 belts.

Technical Specifications

  • Abrasive Material: Aluminum oxide
  • Coat Type: Semi-open coat
  • Backing: X-weight cloth
  • Bond Type: Resin-over-resin
  • Belt Size: 3" x 18"
  • Direction: Bidirectional
  • Package Size: 10 belts per pack
  • Available Grits: 36, 40, 50, 60, 80, 100, 120, 150, 180

Key Features & Benefits

  • Semi-Open Coat: Resists loading for longer belt life on wood and soft materials
  • X-Weight Cloth Backing: Handles belt tension and heat without stretching or tearing
  • Bidirectional: Runs in either direction for easy installation
  • Wide Grit Range: 36–180 grit covers aggressive removal through fine finishing
  • Versatile: Works on wood, metal, plastic, and composites

Recommended Applications

  • Portable belt sanding on wood and metal
  • Stock removal and surface leveling
  • Paint and finish stripping
  • Edge sanding and shaping
  • Metal deburring and surface preparation

Grit Selection Guide

  • 36-50 Grit: Aggressive stock removal and shaping
  • 60-80 Grit: General smoothing and surface preparation
  • 100-120 Grit: Fine sanding before finishing
  • 150-180 Grit: Final finishing and between-coat sanding

Versatile 3" Belt. Full Grit Range. Reliable Performance on Wood and Metal.