Starrett 18” x 24” (450mm x 600mm) Superior Black Granite Surface Plate with a 3” (75mm) thickness. Superior Black Granite has low water absorption, creates little glare, and minimized thermal expansion Grade B (Toolroom Grade) for production checking work throughout the shop. .000300” (0.0076mm) Flatness unilateral tolerance. Produced without ledges.
Modified for 1 threaded screw hole, 1/2" x 13. This threaded hole is 4 inches from the end centered in the middle with 9" from sides. * Standard 6-8 week lead time may apply.
