Precision Granite Cube 24 x 24 x 24 Grade A 6 side

These precision granite cubes are used for alignment and measuring squareness, parallelism and perpendicularity of machining centers or coordinate measuring machines. The granite-cubes are finished on all 6 sides to Grade A, a tolerance of 0.0001 inch (other grades available). Each cube is equipped with one (1) 1-8  threaded insert for mounting a lifting ring.

All of the precision granite cubes we provide are manufactured to meet or exceed tolerances specified by Federal Specification GGG-P-463c, ASME B89 3.7-2013 or manufacturers specfications as applicable.   

A Calibration Certificate for precision granite is included with every unit when purchased. An ISO-17025 A2LA acredited certificate is available for an addition charge.

Shipping Instructions:
This product weighs 2075 lbs. Shipping costs are not included in the price or correct at checkout. Please supply us with the LTL Freight Shipper # of your choice. If you do not have one we will supply you with a freight quotation to be billed at time of order.