Manufacturer Part Number: 458H-0412|Diameter (mm)|Diameter (Inch, Fraction)|4-3/8Diameter (Letter)|Diameter (Decimal Inch)|Series Code/Seat Size|8Point Angle|144Insert Material|CobaltManufacturer Grade|Spade Drill Insert Diameter Range (mm)|Drill Diameter Range (Decimal Inch)|Series|GEN2 T-APrimary Workpiece Material|Steel; Stainless Steel; Cast Iron; Super-alloys & Titanium; Hard MaterialPrimary Workpiece Material Code|P; M; K; S; HSecondary Workpiece Material|Secondary Workpiece Material Code|Standards|Height (Inch)|Material Grade|Coating Classification|PVDCoating/Finish|AM200Thickness (mm)|Height (Decimal Inch)|Thickness (Decimal Inch - 4 Decimals)|0.4375System Of Measurement|Product Service Code|UNSPSC Code|