Hex Socket Galvanized screws

Galvanized screws are characterized by the presence of a protective zinc shell that’s achieved by submerging the screws in molten zinc. Known as hot-tip galvanizing, this finishing process adds a layer of zinc over the surface of a screw. This process means the nails have a protective barrier which makes them resistant to rust and corrosion. If it’s galvanised, it will be dull grey and a little rough. A zinc-plated product will be shiny and smooth. A hot dip galvanized product has the best protection against rust, even though it’s a bit ugly.

Socket screws contain a hexagonal socket, or internal drive, in the head. The way to tell if a screw is a socket screw is by the tool required to tighten and loosen it. The general rule of thumb is simple: if you need an Allen or hex key, or a special internal wrenching drive, then it can be classed as a socket screw.

What are shoulder screws used for? Much like all other screws, shoulder screws are meant to hold objects together and in a particular position. However, these screws are designed for use in parts that require a mounting pin, joint, shaft, dowel, pivot, or sliding motion.

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