acorn nut
Domed covering fastener
An acorn nut is a type of cap nut shaped like an acorn, with a domed top that covers the end of a bolt or threaded rod.
The closed dome provides a finished appearance and protects the threads from damage or corrosion: The handrail was secured with decorative brass acorn nuts.
- shellHard outer covering
- thumbnutKnurled nut for fingers
- oakQuercus genus member
- oak treeLarge deciduous hardwood
- fixingRestoring proper function
fastening · nutcracker · chrome plating · securing · joining · locknut · brass · tightening · washer · corrosion resistance · hexagon · stainless steel · machine screws · polished finish · squirrel · carriage bolt · decorative hardware · rivet