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

m14 X 1.5 Carbon Steel Tap Set, DWTCS14X1.5S

Witt . I brought a heap of old tools this was with them . No markings.About the size of a permanent marker. Has multiple brass needles at its tip then a slit

Taylor 83100 Truss Rod Nut and Washer 1/4 Hex 10-32 Thread

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

Profax 21-50F Nozzle – Stumpf Welding Supplies

Serrated on both sides and curved at the end.. found in a kitchen : r/whatisthisthing

Tubing Connectors and Fittings

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

GN 913.5 Stainless Steel Set Screws, with Brass or Plastic Tip