| http://www.w3.org/ns/prov#value | - A fastener comprising:. a sleeve member having exterior threads adjacent one end thereof, a head projecting radially outwardly from a location adjacent the opposite end of said sleeve member, said head including surface means for imparting rotational forces thereto, said sleeve member having an axial bore therethrough, and an'unthreaded expansion member, said expansion member having a first portio
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