8" x 1.5" 80 Grit Diamond Hard Flat Grinding Wheel for Hard Materials

The 8" x 1.5" 80 Grit Diamond Hard Flat Grinding Wheel features a heavy-duty, seamless solid steel core and an electroplated industrial diamond rim. Engineered for fast stock removal, pre-forming cabochons, and beveling on dense lapidary materials including gemstones, rocks, glass, ceramics, and porcelain. Provides true concentric rotation and vibration-free grinding on standard 8" cabbing machines.

Key Features

• Solid Seamless Steel Core: Heavy-duty steel body ensures true-running concentricity and eliminates wheel vibration.
• Aggressive Electroplated Diamond Rim: Uniform 80-grit diamond plating delivers rapid, efficient material removal with excellent edge stability.
• True Flat Profile: Perfectly flat grinding face prevents dishing or crowning during shaping and faceting pre-forming.
• Universal 1" Arbor: Standard 1-inch inner bore fits standard lapidary cabbing machines (compatible with 3/4", 5/8", and 1/2" reducer bushings).

Applications

• Lapidary & Gemstones: Fast rough shaping and contouring of agate, jasper, quartz, jade, and petrified wood slabs.
• Glass Cold Working: Rapid edge grinding, dimensioning, and bevel pre-forming on artistic glass and thick plate glass.
• Ceramic & Porcelain: Heavy shaping, stock reduction, and edge contouring on technical ceramics and mineral specimens.

Technical Specifications

• Diameter: 8 inches (200 mm)
• Width: 1.5 inches (38 mm)
• Grit: 80 Grit (Coarse Shaping / Fast Stock Removal)
• Bond Type: Electroplated Diamond
• Core Material: Solid Steel
• Arbor Size: 1 inch (compatible with reducer bushings)
• Recommended Operating Speed: 1400–1800 RPM

Operating Guidelines

• Continuous Water Coolant Required: Always operate with adequate water flow to flush grinding swarf and keep diamond particles cool.
• Apply light, consistent workpiece pressure across the wheel face to prevent localized grooving.