bolts and nuts, ultrahigh frequency (uhf) parabolic antennas, puller flanges, gas cylinder valves, hydraulic hose adapters, hydrants, meters, nozzles, standpipes, threaded rod, cylinder valves, pushers, structural expansion joints, tensioner studs, astronomical telescopes available from zipnut technology, llc based in falls church, va. click the links below to visit our website or contact us via our profile page.