Manufacturer Part Number: 021-07091|Insert Style|3ERInsert Size Code|3Insert Material|Solid CarbideManufacturer Grade|VRXMaterial Grade|Threads Per Inch|18Thread Type|ExternalPitch (mm)|Thread Standard|UNInsert Hand|Right HandThickness (Inch)|Thickness (mm)|3.60Included Angle|60Chipbreaker|Series|StandardCoating Process|PVDInscribed Circle (mm)|Inscribed Circle (Decimal Inch)|Inscribed Circle (Inch)|3/8Corner Radius (Decimal Inch)|Corner Radius (mm)|Hole Diameter (Mm) ( - 0 Decimals)|Hole Diameter (Decimal Inch)|Rake|Primary Workpiece Material|UniversalPrimary Workpiece Material Code|H; K; M; N; P; SSecondary Workpiece Material|Secondary Workpiece Material Code|Ansi Code|Iso Code|Standards|ANSI B1.1:74; ISO 9001:2008Cutting Edge to Theoretical Edge Length (Decimal Inch)|Face of Insert to Tip Centerline (Decimal Inch)|Number of Teeth Per Side|Cutting Direction|Manufacturers Catalog Number|3ER18UN VRXRelief Angle|Coating Classification|MSC/Manufacturer Number|Thickness (Decimal Inch - 4 Decimals)|0.1417Coating/Finish|AlTiNProduct Service Code|UNSPSC Code|23291804