File:Dubendorf_floodgate.jpg · Wikimedia Commons · See Wikimedia Commons
رزوه
Sign in to saveAlso known as thread, filter thread, bolt thread, threaded, fastener thread
helical part of screw
File:Dubendorf_floodgate.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as thread, filter thread, bolt thread, threaded, fastener thread
helical part of screw