Featureā—¸Maximum Rotational Speed (rpm): 70,000, Shaft Diameter: 0.18 inches (3 mm), Blade Diameter: 0.18 inches (4.5 mm), Sharpening Granule: Diamond Granularity (#): 320, Shape: Cylinder, Blade Length: 0.2 inches (50 mm)Description
Features
Excellent grinding and durability from internal micro-hole processing to coarse outer diameter grinding.