1 1/8" x 21" Sanding Belts

1 1/8" x 21" Sanding Belts

  • $15.95
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1 1/8" x 21" Aluminum Oxide Sanding Belts

USA1 Abrasives 1 1/8" x 21" Sanding Belts are designed for compact portable belt sanders used in woodworking, metalworking, and finishing. Semi-open coat aluminum oxide on X-weight cloth backing delivers fast, consistent cutting with excellent clog resistance on both wood and metal surfaces.

Technical Specifications

  • Abrasive Material: Aluminum oxide
  • Coat Type: Semi-open coat
  • Backing: X-weight cloth
  • Bond Type: Resin-over-resin
  • Belt Size: 1 1/8" x 21"
  • Direction: Bidirectional
  • Package Size: 10 belts per pack
  • Available Grits: 36–320

Compatible Sanders

  • Makita 9031
  • CRL LD118
  • Other 1 1/8" x 21" belt sanders

Key Features & Benefits

  • Semi-Open Coat: Resists loading for longer belt life
  • X-Weight Cloth Backing: Handles belt tension and heat without stretching or tearing
  • Bidirectional: Runs in either direction for easy installation
  • Full Grit Range: 36–320 grit covers everything from aggressive removal to fine finishing
  • Versatile: Works on wood, metal, plastic, and composites

Recommended Applications

  • Portable belt sanding on wood and metal
  • Edge sanding and leveling
  • Paint and finish removal
  • Metal deburring and surface preparation
  • Detail sanding in tight spaces

Grit Selection Guide

  • 36-60 Grit: Aggressive stock removal and shaping
  • 80-120 Grit: General smoothing and surface preparation
  • 150-220 Grit: Fine finishing before topcoat
  • 240-320 Grit: Ultra-fine finishing and between-coat sanding

Compact Belt Sanding Performance. Full Grit Range for Every Stage.