What are these? Socket like parts are brass and two brass rings of

Three pieces of plastic connected by metal rod. Middle part slides up and down freely except for resistance when it it's the spring. Threaded rod in one blue piece. Plastic feels like

Brass - Wikipedia

What are these twisted screw nails for? Re-theming a Blackout and they don't appear to screw into anything or hold anything down, they just go partway thru PF. They are very difficult to remove. : r/pinball

Pin Fasteners: The Ultimate Guide

Brass Metal: Types of Brass Metal, Types of Brass Metal, Applications and Advantages

Brass Metal: Types of Brass Metal, Types of Brass Metal, Applications and Advantages

Victorian Decorative Arts: Brass And Copper

Solved A brass plug is to be placed in a ring made of iron.

What Are the Different Types of Screw?

Sn n191-577 bpb105 pole socket brs

Pole Socket Set, Brass, 2-Pk.