2000 x 3000 granite calibration plate

Granite Calibration Plate With Size 2000 x 3000 x 300 mm The hardness and stability allow accuracies within millionths of an inch. Along with the high accuracies, granite is rust-proof, non-magnetic, abrasive resistant, non wedging, wrap-resistant and easily cleaned. The granite used for surface plates has an excellent distribution of hard quartz which provides a smooth, long-wearing working surface. Granite surface plates......

High Precision Black Granite Smooth Plate Calibration 1000 X 2000 MM Granite Surface Plates are used for precision gauging, inspection, layout and marking purposes. They are preferred by Precision Tool Rooms, Engineering Industries and Research ......