Material Number 1729881ISO Catalog ID BT50BER32150M[CST] Catalog Collet Series ER32[D11] Lock Nut Diameter 50 mm[L1] Gage Length 150 mm[L9] Clamping Length 46 mm[V] Adjustment Range 54 mmWeight Kilograms 4.64Counter Bore Collet Torque Nm 136Straight Collet Torque Nm 136Stop Screw ID Drive Size 4 mm & 5/32