Mitutoyo’s Black Granite Surface Plates are made of exceptionally fine-grained black granite free from deterioration and dimensional changes, offering many advantages over cast iron surface plates.
Series 517
Black Granite Surface Plate
Features & Benefits
Made 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.
- Available in AA Laboratory Grade, A Laboratory Grade, and B Shop Grade
- Available in 50lbs. load/sq. ft. no ledge
- Trouble-free operation for use with magnetic materials
- Mitutoyo granite surface plates are with a Certificate of Accuracy with traceability to NIST
- Mitutoyo granite surface plates meet or exceed federal specification GGG-P-463c
- Surface plates needed in specific sizes other than standard are available by special order
- Surface plates, with the bolt screws, available by special order
- All Mitutoyo surface plates shipped F.O.B. Escondido, CA
- All granite plates from 48”x108” and larger are machine-base gray granite; smaller plates are black granite
Product List
| Order No.: | Product Image: | Grade: | Size: | Accuracy: | Weight: |
|---|---|---|---|---|---|
| 517-746 | - | AA Laboratory Grade | 36 x 48 x 6" | 150 | 1200 lbs |
| 517-843 | - | A Inspection Grade | 24 x 36 x 4" | 170 | 400 lbs |
| 517-940 | - | B Shop Grade | 8 x 12 x 2" | 200 | 25 lbs |
| 517-942 | - | B Shop Grade | 18 x 24 x 2" | 260 | 100 lbs |
| 517-943 | - | B Shop Grade | 24 x 36 x 3" | 340 | 300 lbs |