BLOHM Surface Grinder Types HFS6, HFS9, HFS12, HFS510. Parts Manual BLOHM Surface Grinder Types HFS6, HFS9, HFS12, HFS510 Spare Parts Manual as Photographs arranged as Exploded Component Pictures. Manufacturers: Blohm Models: HFS6 HFS9 HFS12 HFS15 HFS510 Contents: Parts Manual