Description
PRECISION GRANITE
Granite Tri-Squares in Grades AA (Laboratory) & A (Inspection)
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Laboratory Grade AA +/- .000025 3-Face
Inspection Grade A +/- .000050 3-Face
Accuracies per 6 Inches, finished on 3 Sides
One large face and two edges flat and square to each other with ligthing holes.
Calibrates X, Y, Z axes on CNC machines, milling machines, coordinate measuring machines.
All granite products avaiable in custom sizes and thickness with threaded inserts, with or without lightening holes.
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.
