GRAPHALLOY self-lubricating bushings mounted in stainless steel flange combines corrosion-resistant and self-lubricating properties of GRAPHALLOY with the application and installation versatility of a flange block. Flange blocks are available in 2-bolt and 4-bolt configurations, come in wide range of base dimensions, and can accommodate shaft diameters from 0.5 in. (12.7 mm) to 3.75 in. (92.5 mm). They are suitable for temperatures of 750˚F and above in non-oxidizing environments or with oxidation-resistant grades.