CNC Bit Reference — Genmitsu BN10A — Micro Ball Nose Set (0.8–2.5mm)

Use larger diameters (2-2.5mm) for roughing small areas. Drop to 1mm or smaller for final detail passes only. Specs Limits Applications 2.0mm 1.0mm Safety Tips FRAGILE at 0.8-1mm. Never plunge straight down. Use ramp entry. Feed very conservatively.