GRAPLATE 12X18IN GRADE AA

MTI517-703 MFG #: 517-703
$388.55 / EA
  • Color: Black
  • Grade: AA Laboratory
  • Material: Granite
  • Series: 517
  • Surface Size: 4 in H x 18 in W x 12 in D
  • Type: Imperial
QTY
  • 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