Schaerer "Lathes for Toolroom, Production and Special Purpose", HK410 Automatic Copying, HPD Automatic Production and UD, UDA, PD, PDA, HPD500. Catalogue. Schaerer "Lathes for Toolroom, Production and Special Purpose" Models HK410 Automatic Copying, HPD Automatic Production and UD, UDA, PD, PDA, HPD500. Sales and Technical Specification Catalogue. 4 pages. Manufacturers: Schaerer Models: HK140 HPD UD UDA PD PDA HPD500 Contents: Catalog