Newport MKS Optical Breadboard, Double Density, 4.8 mm Skin, 36 x 72 x 4.3 in., 1/4-20 SGD-36-4

The SGD-36-4 Scientific Grade Double Density Honeycomb Core Optical Breadboard has a 3 foot width, a 6 foot length, and is 4.3 inches thick with 1/4-20 holes on a 1 inch double density grid. The SG Series provides rock-solid stability and rigidity to support demanding research applications. It demonstrates an outstanding <±0.004 in. flatness over two square feet. The SG Breadboard provides a 3/16 in. ferromagnetic steel surface, enhanced damping, sealed holes, and a steel honeycomb core. This means the SG Series still out-performs other manufacturers’ top-of-the-line breadboards.