Made of Iron. Hole in the bottom. Looks to have been mounted on a

Through-Hole Assembly - PCB Prototype the Easy Way - PCBWay

Made of Iron. Hole in the bottom. Looks to have been mounted on a pole or handle. : r/whatisthisthing

Mining - Blasthole Stoping, Ore Extraction, Drilling

Gemini Chainring Rigel Carbon round Direct Mount

Strings likely made from fishing line running above a pool : r/whatisthisthing

How to Make a Hole in a Glass Bottle: A Simple & Safe Guide

How To Use A Countersink Drill Bit For Metal

Stainless Steel Rain Barrel - Make

Big hole in a cast iron p-trap. Can I repair it myself? : r/Plumbing

Corners castings ISO 1161 for shipping containers

wooden sectioned stick/sticks that seem to fit end to end with three pronged tip. : r/whatisthisthing

Deep inside Earth, scientists find weird blobs and mountains taller than Mount Everest

Metal loops or hooks under some of the bridges and on the retaining walls along the Seine in Paris : r/whatisthisthing