Nuts & washers 

What types of washers are there and what are they used for? There are different types of washers, including flat washers, spring washers and toothed washers. They are used to distribute pressure evenly over a larger area, reduce friction and create a firm connection between the nut and the material.

How do I choose the right nut for my fastener? The right nut depends on the type of thread and application. There are different types of nuts, including hex nuts, wing nuts and lock nuts, each suitable for specific applications. It is important to choose the right nut for your fastening material to ensure a secure connection.

Can I reuse wash ers? Washers can be reused in many cases as long as they are not damaged or deformed. However, it is advisable to check this beforehand and ensure that the washers still have the required strength and integrity to ensure a secure connection.