Combidex Catalog - National

Internal ToolholdersU and V Style ToolholdersOrdering Code Min. Spec.Right Hand D D1 L L1 Boring F W Helixmm mm mm mm mm mm mm mm Angle* SIR 0008.K08U 8U 16 7.3 125 21 9 6.6 -* SIR 0008.K08U CB 8U 8 7.3 125 35 9 6.6 -* SIR 0025.R22U-3.5 22U 25 25 200 - 32 19.3 - 3.5SIR 0032.S22U 22U 32 32 250 - 38 24.4 -SIR 0040.T22U 22U 40 40 300 - 46 28.1 -SIR 0032.S27U 27U 32 32 250 - 40 25.8 -SIR 0040.T27U 27U 40 40 300 - 48 29.4 -SIR 0050.U27U 27U 50 50 350 - 58 34.3 -SIR 0060.V27U 27U 60 60 400 - 68 39.7 -* * SIR 0040.T27V 27V 40 - 300 - 80 28.4 6.5* * SIR 0050.U27V 27V 50 - 350 - 90 33.4 6.5* * SIR 0060.V27V 27V 60 - 400 - 100 38.0 6.5For left hand toolholders specify: SIL (instead of SIR...)The toolholders are made with 1.5° helix angle.* Toolholders without anvil* * Toolholders are made with 1° helix angle and from Diameter > 8049