Constructed of natural fine-grain granite seasoned for thousands of years, the Mitutoyo Black Granite Surface plates are free from burrs, protrusions, rust, and wringing, making them ideal for precision measurement platforms. The granite plates are twice as hard as cast iron plates and feature superior flatness, non-magnetic properties and longer service life resulting in low maintenance costs and better accuracy.
Features:
- A Inspection Grade
- 100 lbs. load/sq. ft. no ledge
- Trouble-free operation for use with magnetic materials
- Mitutoyo granite surface plates include a Certificate of Accuracy with traceability to NIST
- Mitutoyo granite surface plates meet or exceed federal specification GGG-P-463c
- All granite plates from 48"x 108" and larger are machine-base gray granite; smaller plates are black granite
For more information, please see Data Sheet