1.5 brass colored metal tube with tapered tip and threads on the

Threaded Tube Inserts, Threaded Square Tube Inserts

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Tiny metal screw insert with beaded core? 9x5x5mm, heavy, could be gold or brass. Found in an old instrument (not musical instruments) machining shop. : r/whatisthisthing

What is this 7in long metal object with a needle on the end? : r/whatisthisthing

Found in an old jewelry box - clamp attached to chain. : r/whatisthisthing

small ceramic? hollow tube like things. about 3 inches long, and 3/4 in diameter : r/whatisthisthing

Found in an old jewelry box - clamp attached to chain. : r/whatisthisthing

A 3-piece wooden pole with a handle, connected by 2 metal shafts, and a threaded metal piece on the end. Exactly 1 yard in length. : r/whatisthisthing

A 3-piece wooden pole with a handle, connected by 2 metal shafts, and a threaded metal piece on the end. Exactly 1 yard in length. : r/whatisthisthing

Found in an old jewelry box - clamp attached to chain. : r/whatisthisthing

Metal rings(?) hooked/ kept together onto small metal rods. Found it on the sidewalk in a neighbourhood. : r/whatisthisthing

ideas on what to make and sell : r/Machinists

What is this? Thick glass square. 6 inches by 6 inches. Plastic cover with holes in it. : r/Whatisthis