Surface Plates

A surface plate is the flat reference for measuring and marking out in the workshop and inspection room. KNUTH supplies precision surface plates in black granite in three sizes: 15.7 x 9.8 x 2.8 in, 24.8 x 15.7 x 3.9 in and 39.4 x 24.8 x 5.9 in, with a flatness of 6 to 9 µm depending on size. With optional accessories they are used to check flatness, squareness, parallelism and roundness.