Surface plate 555 / 557

Surface plate in G25 cast iron free from blowholes or structural flaws. Seasoning of the surface plate is achieved naturally. The perlitic surface plate is supported by rests and ribbing arranged to balance out tensions created when the plate is under load. The edges are square to the surface and machine finished. The surface plane is ground to comply with DIN 876/1 tolerances. Item 557 has a closely scraped surface which complies to DIN 876/3 tolerances. Templates are manufactured upon requrement.