Technical Data:
Series: 517
Product type: Black Granite Surface Plate
Grade: AA
Size W x D: 8 x 12 in
Height H: 2 in
Flatness: 50 uin
Mass: 28 lb
Standard: Meets or exceeds ASME B89.7.3

Application:
Precision reference surface for dimensional inspection and metrology.

Content:
Certificate of Accuracy verifying accuracy and traceability to NIST.

Remark:
Natural granite construction. Rust-free and low maintenance. Plates 48 x 108 in and larger are machine-base gray granite; smaller plates are black granite. Non-standard sizes are available by special order.