12" 220Grit Diamond Flat Lap Disc with Magnetic Backing for Precision Grinding & Polishing

Professional-grade 12" 220 Grit Diamond Flat Lap Disc with Magnetic Backing engineered for precision grinding, smoothing, and pre-polishing of gemstones, glass, ceramics, and hard materials. Features high-density industrial diamond abrasive electroplated onto a precision steel master disc with a pre-applied flexible magnetic backing for rapid, tool-free disc changes.

Key Specifications

• Diameter: 12 inch (300 mm)
• Arbor Hole: 1/2 inch (12.7 mm)
• Grit: 220# Medium / Pre-Polish
• Backing: Full-surface Magnetic Backing
• Bond Type: Electroplated Diamond

Recommended Applications

• Faceting and flat lapping of quartz, agate, jasper, jade, and colored gemstones
• Glass cold-working, bevel smoothing, and fused glass leveling
• Ceramic, porcelain, and carbide surface grinding