8" x 1-1/2" Diamond Steel Hub Textured Grinding Wheel for Lapidary & Gemstone Shaping

The 8" x 1-1/2" Diamond Steel Hub Textured Grinding Wheel is a heavy-duty, industrial-grade grinding wheel engineered for high-torque stock removal, cabochon shaping, and glass beveling. Built with a solid, precision-machined heavy steel hub and electroplated with an aggressive cross-hatch textured diamond matrix, this 8-inch wheel delivers extreme rotational rigidity, zero arbor deflection, and rapid coolant flushing across the cutting face, eliminating stone chipping and surface glazing during demanding lapidary production.

Key Features

• Heavy-Duty Machined Steel Core: Solid steel hub construction provides maximum rotational inertia, true running, and zero flex under aggressive shaping pressure.
• Cross-Hatch Textured Diamond Matrix: Patterned diamond channels continuously sweep away mineral slurry and cutting sludge, keeping grinding temperatures low and maintaining high-speed stock removal.
• Expanded 8" Working Diameter: Delivers superior surface speed (SFPM) and a wider contact zone than smaller wheels, accelerating pre-forming and roughing of larger gemstone slabs and glass panels.
• Premium Electroplated Monocrystalline Diamond: High-concentration industrial diamond plating ensures razor-sharp cutting facets and extended working lifespan.
• Universal 1" Arbor with Bushings: Precision 1-inch center bore includes reducer bushings to fit standard 3/4", 5/8", and 1/2" lapidary shafts.
• Full Progressive Grit Progression: Available from coarse 60 grit for aggressive slab profiling down to 600 grit for smooth, scratch-free pre-polish refining.

Applications

• Lapidary Cabbing & Pre-Forming: High-efficiency profiling, dome contouring, and meet-point grinding on agate, jasper, jade, quartz, petrified wood, and hard gem materials.
• Art Glass & Cold Working: Beveling thick glass panels, removing punty marks, and precision sculptural grinding.
• Ceramic & Porcelain Fabrication: Correcting tile edges, trimming structural ceramics, and leveling stoneware bases.

Technical Specifications

• Diameter: 8 inches (203 mm)
• Width: 1-1/2 inches (38 mm)
• Arbor Size: 1 inch (includes 3/4", 5/8", 1/2" reducer bushings)
• Hub Material: Precision-Machined Solid Steel Core
• Surface Profile: Cross-Hatch Textured Pattern
• Bond Type: Precision Electroplated Diamond
• Available Grits: 60, 80, 100, 180, 220, 320, 600
• Recommended Operating Speed: 1400–1800 RPM

Operating Guidelines

• Always operate with continuous water coolant to keep the workpiece cool and prevent swarf accumulation in the textured grooves.
• Apply light to moderate contact pressure; let the solid steel core and sharp diamond texture cut naturally.
• Rinse thoroughly after each grinding session and allow to dry before long-term storage to maintain the steel core and diamond bond.