Eucalyptus campaspe is a tree or mallet that typically grows to a height of 3 to 11 metres (10 to 36 ft) and has smooth, shiny, silver to coppery bark.

[7][8] The type specimen had been collected by Moore in 1895 from near Gibraltar in the Goldfields area of Western Australia.

[9] Silver gimlet is found on stony hillsides and flats in the Goldfields-Esperance region between Kalgoorlie and Norseman where it grows in sandy-loam-clay soils.

Associated species in this environment include trees such as: E. salubris, E. gracilis often with E. salmonophloia and Casuarina cristata.

Ground species in these communities include Plantago debilis, Helipterum strictum, Gnephosis brevifolia, Ptilotus exaltatus and Senecio glossanthus.