Manufacturer Part Number: C52157|Mill Diameter (Inch)|5/16Mill Diameter (Decimal Inch)|0.3125Mill Diameter (mm)|Number Of Flutes|2End Mill Material|CobaltEnd Type|DoubleLength of Cut (Inch)|9/16Length of Cut (mm)|Coating/Finish|Overall Length (Inch)|3-1/2Shank Diameter (Inch)|3/8Centercutting|YesCutting Direction|Right HandVariable Helix|NoVariable Index|NoShank Diameter (mm)|Helix Angle|30Chipbreaker|NoMaterial Application|Extended Reach|NoOverall Length (mm)|Length Of Cut Range (Decimal Inch)|0.5000 - 0.6000Shank Type|Straight-Cylindrical; Weldon FlatLength of Cut (Decimal Inch)|0.5625Material Grade|M42Shank Diameter (Decimal Inch)|0.3750Overall Length (Decimal Inch)|Flute Direction|Right HandFlute Type|SpiralHelix Style|MediumShank Diameter Tolerance|Length Type|RegularMill Diameter Tolerance|Neck Length (Decimal Inch)|Neck Diameter (Decimal Inch)|Overall Length Tolerance|Neck Length (mm)|Neck Diameter (mm)|Reach Length (Inch)|Reach Length (Decimal Inch)|Reach Length (mm)|Through Coolant|TIR Maximum (Decimal Inch)|TIR Maximum (mm)|Series|HDC-2PSC Code|Secondary Workpiece Material Code|Secondary Workpiece Material|Primary Workpiece Material Code|M; P; SPrimary Workpiece Material|High Temperature Alloy; Stainless Steel; SteelUNSPSC Code|