D D1 H D D2 Technical information i VDI wg DIN-69880 A B L Shank D1 D2 H L A B VDI20 20 50 18 40 21,7 24 VDI25 25 58 23,5 48 21,7 24 VDI30 30 68 27 55 29,7 40 VDI40 40 83 36 63 29,7 40 VDI50 50 98 45 78 35,7 48 Features: - Toolholders are made of chrome-manganese steel, carburized and hardened to 58HRC - Cylindrical surface of shank is grinded in h6 tolerance CYLINDRICAL wg DIN-1835 DIN-1835 B DIN-1835 E 2o Weldon Shank D W20 20 W25 25 W32 32 W40 40 W50 50 Versions: - DIN-1835 A - straight cylindrical shank - DIN-1835 B - WELDON: cylindrical shank with flats parallel to the axis of the cylinder - DIN-1835 E - WHISTLE-NOTCH: cylindrical shank with 2 degrees of flattening Features: - Toolholders made of nickel-chromium-molybdenum steel, carburized and hardened to 58HRC. - Cylindrical surface of shank is grinded in h6 tolerance 12 317