SYMBOL DESCRIPTIONS Tool Material Coating Ultra Micro Grain CarbideUltra micro grain carbide is used as the substratematerial.PVD CoatingExhibits outstanding wear resistance with a wide range ofwork materials including mild steel, carbon steel, alloy steel,stainless steel, cast iron-based materials, and aluminum alloy. Web Thinning PVD Coating An ultra micro-grain cemented carbide optimal for stainless steel, and a PVD coating with outstanding X Web Thinning heat resistance and lubricity. X web thinning is used at the drill point. PVD Coating New hard grade provides both high wear and Z Web Thinning fracture resistance, leading to longer tool life. Z web thinning is used at the drill point. MIRACLE Coating The original Miracle (Al,Ti)N coating. N Web Thinning Also suitable for dry cutting. N web thinning is used at the drill point. Angle Tolerance Point Angle Indicates drill point angle at the tip. Drill Diameter Tolerance * The icon shown is an example only. Shank Diameter Tolerance Coolant Hole Coolant Hole M M003 DRILLING