Drill Series:Diameter Range:Workpiece Material:Drill Material:Drill Coating:Coating Color:Country of Origin: AQRVD (Carbide Stub Drill), AQDEXO (Carbide LongDrill)1.0 mm to 16.0 mmMild Steel, Stainless Steel, Cast Iron, AluminumSolid Carbide with Multi-layer AlTiCrXN Coating with Lubrication FilmMulti-layer AlTiCrXN Coating with Lubrication FilmAqua BlueJapan Since its founding, Fujikoshi has considered that superior materials are necessary to make better tools, has been … Continue reading Aqua REVO Drill Series