Erowa Compatible ER-034387 Quickchuck 50. Rapid Holding Systems Erowa ER-034387 Compatible Quick chuck 50 with Connecting Rod 20MM Diameter pin. Designed for use in turning applications, Pin concentric to center of chuck +-.0002 inch. System size 50, manual, corrosion-resistant. (Equivalent to ER-034387)

On EDM/WEDM centers for light milling and grinding work. Max. revolutions on rotating axes 2000 rpm