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Advantages Of Brass Machine Screws Over Steel Machine Screws

By Beryl Dalton


The evolution of contemporary manufacturing has taken a big leap. Since the olden times we have used wood, stone, sap and strings until modern components. Our ancestors employed many techniques to make structures and objects. Alternative ways to lock two parts into a single structure were eventually invented.

People were using the sap of some trees or plants as a primitive form of glue. Wooden dowels were helpful when making furniture to lock pieces together. The advent of metallurgy led to the discovery of metal tools and materials for carpentry. Blacksmiths skilled enough to work metal into smaller pieces created the humble nail. Advances in technology finally improved the function of the nail to hold parts together. By creating spiraling grooves around the body of the nail the screw was created. Screws are made of different metals but brass machine screws carry advantages.

Making furnishings and alternative structures used to require pieces that hold their shape. The use of wooden dowels and tree sap to hold parts take time. Components needed to be cut to fit accordingly, the sap meanwhile needs to completely dry out. Iron nails resulted to an easier process to connect pieces of wood. However, corrosion eventually eats away through the iron.

When people started using materials other than wood, nails could no longer be used due to design challenges and precision. Plastics and metal needed screws to hold their intended shape. The advances in our technology to machine metals into the exact shape, made fabricating construction materials like screws much easier.

Machined screws are usually made of iron and other metals. The discovery of alloys further improved reliability of the materials. The number one advantage of alloys was the ability to resist corrosion, both from moisture and exposure to oxygen. Large scale manufacturing and construction required a high tensile metal, able to resist great strain and resist weathering. High tensile steel became the go to option. Brass on the other hand, gained popularity as a more cost effective choice for smaller assemblies.

Steel is alloy formed by mixing carbon with iron. This results in a metal that has a higher tensile strength compared to ordinary iron. Adding chromium into the mix gives us stainless steel. Commercial projects prefer to use stainless steel with higher carbon content, making the already durable metal stronger, ideal for building huge structures.

Brass is the result of a mixture of copper with zinc. It boasts a soft golden color and was traditionally used for creating ornaments and decorations. Malleability means it can be machined into various items. If you can visit museums, you will be able to notice a wealth of adornments still in fine condition, proving the alloy can be quite durable

Brass would definitely be the material of choice for the reason that it is cheaper to produce. It has a lower melting point and can conduct heat more easily. Musical instruments are usually made out of the alloy because of better acoustic properties.

One vital capability of brass has usually been unheeded. The disinfectant capability of copper has a strong advantage. The antimicrobial properties from the copper content may benefit machines and containers that need to be sterile.




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