Manufacturer Part Number: 21722734|Industry Specification|SC-3L6Head Shape|Ball Nose CylinderCutting Diameter (Inch)|3/8Cutting Diameter|0.3750Cutting Diameter (mm)|Tooth Style|TOUGH CutOverall Length (Decimal Inch)|6.625Overall Length (mm)|168.00Overall Length (Inch)|6-5/8Length of Cut (Inch)|3/4Length of Cut (Decimal Inch)|0.7500Length of Cut (mm)|19.10Shank Diameter (Inch)|1/4Shank 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|Annealed Cast Iron; Black Annealed Cast Iron (GTS, GJMB); Case-Hardened Steels; Cast Iron; Cast Steel; Grey/Nodular Cast Iron (GG/GJL, GGG/GJS); Hardened, Heat-Treated Steels Over 370 HV (38 HRC); Steel; Steel, Cast Steel; Steel Materials With A HardnessMaximum RPM (General)|29000Maximum RPM (Stainless Steel)|Included Angle|PSC Code|5345UNSPSC Code|27112809