GRAPLATE 12X12IN GRADE AA
MTI517-702
MFG #: 517-702
$310.65
/ EA
- Color: Black
- Grade: AA Laboratory
- Material: Granite
- Series: 517
- Surface Size: 3 in H x 12 in W x 12 in D
- Type: Imperial
- Item Features
- Standards
- Natural granite seasoned for thousands of years is free from deterioration or dimensional change over time
- Granite surface plate has many advantages over cast iron surface plates: twice as hard as cast iron
- Minimal changes in dimension due to temperature changes
- Free from wringing, so there is no interruption of work
- Free from burrs or protrusions because of the fine grain structure and insignificant stickiness, this ensures high degree of flatness over a long service life and causes no damage to other parts or instruments
- Trouble-free operation for use with magnetic materials
- Long life and rust-free, resulting in low maintenance costs
- Each surface plate is shipped with a certificate of accuracy which guarantees its accuracy and verifies its traceability to the national institute of standards and technology
Federal Specification GGG-P-463c