Alex D. Posted November 23, 2021 Share Posted November 23, 2021 Purchased this cap for the ornament but don’t know the true application. The cap is nickel plated brass with an inside diameter of 2 inches and a 16-thread pitch. The hole in the center is 3/8 inch. Possibly late teens or early 20’s, but for what? Would appreciate any feedback. Thanks Link to comment Share on other sites More sharing options...
Mark Wetherbee Posted November 23, 2021 Share Posted November 23, 2021 I believe it is either Rolls or Bentley. Link to comment Share on other sites More sharing options...
motoringicons Posted November 23, 2021 Share Posted November 23, 2021 Definitely looks Rolls Royce. There were about a million different sizes of that Rolls cap used from the beginning until they stopped using that style of cap. Hard to know what year without the dimensions. Link to comment Share on other sites More sharing options...
Alex D. Posted November 23, 2021 Author Share Posted November 23, 2021 Thanks for the quick replies. I had no idea. Outside diameter- 2 3/8 inch / 60mm Inside diameter- 1 15/16 inch / 50mm Height- 21/32 inch / 21.5mm Thread pitch per inch - 16 Link to comment Share on other sites More sharing options...
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