0.4mm Sintered Diamond Internal Grinding Bur – 400 Grit, 3mm Shank for Carbide, Ceramic & Glass

0.4mm sintered diamond bur for internal grinding

Refine small internal surfaces in carbide, ceramic, and glass with this 400 Grit sintered diamond grinding bur. The 0.4mm head and 3mm shank are suited to controlled rotary-tool grinding and finishing.

• Head size: 0.4mm
• Grit: 400
• Shank: 3mm
• Bond: sintered diamond
• Quantity: 1 piece