Carriage Bolts and Their Various Uses

Bolts are a very common type of threaded fastener, and they come in a variety of types, shapes, and sizes to accommodate a diverse set of applications and needs. When exploring the market for bolts, you may have come across what are known as carriage bolts, those of which are commonly used to fasten metal or wooden workpieces together for a secure assembly. 

In general, carriage bolts are a type of heavy-duty fastener, featuring a mushroom-shaped head that exhibits a low profile. Carriage bolts get their name from their original use, relied on for securing wheels to carriages in the 19th century. These carriages demanded high-strength and reliability, and this role of carriage bolts has continued to this day with various advances in manufacturing and material choice. While carriages are no longer in use on a wide-scale, carriage bolts are still used in a variety of applications.

While carriage bolts are set apart from other various types, they still feature a similar threaded shank and a single head on one side of the shaft. Despite this, there are a few distinct differences that one should know to better understand them. As stated before, carriage bolts have a very low-profile head, this not being too common on other options. Generally, a majority of bolts will have a higher-profile head that is shaped like a hexagon. Additionally, carriage bolts will regularly have a square- or hexagonal- shaped band situated beneath their head, and this allows them to be locked into place within a mating hole that is of the same shape.

While this general shape and profile of carriage bolts is often called for in many applications, the most notable benefit of such threaded fasteners is their strength and durability. While a few bolts may surpass carriage bolts in this quality, such fasteners are known for being stronger and more durable than a majority of their counterparts. All carriage bolts feature threading along their shank, though the style of threading can vary from bolt to bolt. For instance, some are fully threaded across their entire length, while others will only have threading up to a certain distance. When a carriage bolt is referred to as partially threaded, it means that it will have threading across three-quarters of the shank or less.

When you are choosing between carriage bolts, one important thing to consider is what material is best for your particular need. Stainless steel is the most popular construction material, though others may be chosen based on what type of resistance or strength is desired. As stated before, carriage bolts may be used to join either metal or wood pieces, allowing them to benefit a diverse set of industries and applications. In the present, one will often find carriage bolts used in water conservation, railroad, farming, and mining industries. If you are in search of top-quality carriage bolts that you can depend on for carrying out your applications and projects, look no further than Complete Sourcing Solutions.


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