A fastening assembly (1) for releasable securement of first and second components. The assembly includes: a nut (2), having a threaded bore and a shaped outer surface; a retainer (3), associated with said first component, including a slot which is of complementary shape to said outer surface of said nut (2), and which is adapted to receive and retain said nut (2) therein; and, a bolt (4), having a head and a threaded shaft, which is adapted to engage said second component, and be secured to the nut (2) to thereby fasten the first and second components together. The fastening assembly (1) is particularly useful to secure a wearable edge to a bucket of a mining, earthmoving, agricultural or like machinery.