BUSCH Hydraulic Keyway Milling Machines. Catalogue BUSCH Hydraulic Keyway Milling Machines (Hydraulische Vertikal-Langloch-Frasmaschines) NF1 and NF 1/500. Sales & Technical Specification Catalogues. 8 pages. Manufacturers: BUSCH Models: NF1 NF 1/500 NF1500 NF-1500 NF-1-500 Contents: Catalog