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.