DescriptionCC ER 20 Ø1/4", ER collet chucksDIN ISO 15488-B (ER/ESX)For clamping diameter: Ø1/4"Diameter: 1/4"Length L1: 31.5 mmRun-out accuracy: ≤ 0.005 mmTechnical data CC ER 20 Ø1/4"ID:1403959For:ER 20For:Ø1/4"D2 [mm]:20D3 [mm]:21L1 [mm]:31.5Weight [kg]:0.043