Manufacturer Part Number: 21823501|Industry Specification|SM-51Head Shape|Pointed ConeCutting Diameter (Inch)|1/4Cutting Diameter|0.2500Cutting Diameter (mm)|Tooth Style|Single CutOverall Length (Decimal Inch)|1.8125Overall Length (mm)|Overall Length (Inch)|1-13/16Length of Cut (Inch)|1/2Length of Cut (Decimal Inch)|0.5000Length of Cut (mm)|Shank Diameter (Inch)|1/8Shank Diameter (Decimal Inch)|Shank Diameter (mm)|Head Material|CarbideHead Coating|UncoatedApplication|Cut Type|Additional Information|System Of Measurement|Fractional InchHead Length (Decimal Inch)|Head Length (mm)|Material Application|Cast Iron; Cast Steel; Non-Ferrous Metal; Stainless Steel; SteelMaximum RPM (General)|48000Maximum RPM (Stainless Steel)|Included Angle|22PSC Code|5345UNSPSC Code|27112809