® Swiss-Line Product Identification - Ordering Codes Inserts G 19 R W05 T15 BLU G = Swiss Groove Insert Size Width Carbide Grade: GT = Swiss Threading L = 16/19/20 W05 = 0.5 mm BLU = PVD triple coating W06 = 0.6 mm GX7= New generation of grade and coating Radius K20 = Uncoated R = Full Radius R04 = 0.4 mm P = Parting R05 = 0.5 mm B = Back Turning F = Front Turning A30 = 30° Threading A60 = 60° thread A55 = 55° thread R= Right Hand Cutting Depth L= Left Hand Cutting T15 = 1.5 mm T16 = 1.6 mm RR = Right Hand Cutting Right version T54 = 5.4 mm RL = Right Hand Cutting T64 = 6.4 mm Left version LR = Left Hand Cutting Right version LL = Left Hand Cutting Left version RN = Right Hand Cutting Neutral version LN = Left Hand Cutting Neutral version A08-17