3" x 21" Zirconia Sanding Belts — Premium Performance on Hard Metals

USA1 Abrasives 3" x 21" Zirconia Sanding Belts are built for demanding metalworking applications where aluminum oxide wears out too quickly. Zirconia alumina abrasive is sharper than aluminum oxide and more durable than silicon carbide, delivering superior cut rate and longer belt life on stainless steel, hardened steel, and other tough metals. Fits the most common portable belt sander size. Sold in packs of 10 belts.

Technical Specifications

• Abrasive Material: Zirconia alumina
• Backing: Heavy-duty polyester/cotton cloth
• Bond Type: Resin bond
• Belt Size: 3" x 21"
• Direction: Bidirectional
• Package Size: 10 belts per pack
• Available Grits: 36, 60, 80, 120

Key Features & Benefits

• Zirconia Abrasive: Sharper than aluminum oxide, more durable than silicon carbide
• Self-Sharpening: Grains fracture under pressure to expose fresh cutting edges
• Extended Belt Life: Outlasts aluminum oxide on stainless steel and hard metals
• Heavy-Duty Backing: Withstands high tension and heat of aggressive grinding
• Bidirectional: Runs in either direction for easy installation

Recommended Applications

• Stainless steel and hardened metal grinding
• Weld blending and deburring
• Knife making — blade profiling and beveling
• Scale and rust removal on steel
• Heavy stock removal on tough metals

Grit Selection Guide

• 36 Grit: Aggressive stock removal and shaping
• 60 Grit: General grinding and blending
• 80 Grit: Surface conditioning and smoothing
• 120 Grit: Fine finishing on metal

Zirconia Power. Longer Belt Life. The Most Popular Belt Size for Hard Metal Work.