Sigma Electroplated Bullnose Grinding Wheels (for Jolly 37A3D)

Sigma electroplated bullnose wheels are purpose-built accessories for the Sigma Jolly 37A3D edge grinder, designed to produce consistent, repeatable bullnose edge profiles on tile and stone. Available in multiple radii, these wheels support fabrication workflows where edge quality, speed, and uniformity are critical.

Available Radii

• 4.5 mm radius
• 8 mm radius
• 10 mm radius

Key Benefits

• Dedicated fit for Jolly 37A3D: Designed specifically for Sigma’s Jolly 37A3D edge grinder for proper seating and predictable performance.
• Electroplated diamond construction: Durable abrasive surface intended for steady output in professional environments.
• Consistent edge profiling: Helps produce smooth, uniform bullnose finishes with less variation from piece to piece.
• Fast changeover: Straightforward wheel swaps to support multi-radius work or production runs.
• Material versatility: Suitable for common tile and stone applications, including porcelain and marble.

Typical Use Cases

• Radius bullnose edging for tile and stone trim
• Shop fabrication and finishing
• On-site edge finishing where profile consistency matters