Surface Plate 6 in Thick B Grade

Item Surface Plate Long Form Calibration Certificate No Material Granite Application Grade Toolroom Color Red Edge Style Flat Flatness 0.001400 in/0.0355 mm Grade B Length 72 in Surface Size 48 in x 72 in 1200 mm x 2400 mm Thickness 6 in Standards ASME B89.3.7 2013 U.S. Federal Specification GGG-P-463c Surface Size (In.) 48 in x 72 in Surface Size (mm) 1200 mm x 1800 mm 48 in