Description
PRECISION GRANITE
Straight Edge 1-1/2″ X 4″ X 24″ Grade A
INSPECTION GRADE A +/- 0.000050″
ACCURACIES per 12 INCHES
Measured on center line of gauging surface of the narrow edge.
PRECISION GRANITE® SURFACE PLATES are made of black granite which is stronger and denser than light colored granite, is more stable, and wears longer. The granite properties determine the stiffness of the granite therefore accuracies can be guaranteed with less thickness than other types of granite. This translates to less freight and handling costs whenever the plate is shipped or moved.
All Black Granite Accessories are calibrated with a Certificatiion tracable to N.I.S.T. or equivalent national or international organiszation
ISO 17025 accreditied certification avaialbe at extra charge
ANNUAL ONSITE – Long Form Calibration of all surfacec plates can be preformed by Houston Precision, Inc., please call (713) 943-1155 for this service.
