Sometimes, you might find that you need to cut bolts and machine screws of various types shorter than the standard lengths available. This can be necessary for situations where you need to prevent overhang or fix other alignment issues. Standard bolt cutters will do the job, but they can damage threading or leave an untidy finish.
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Instead, one of the best ways to cut a machine screw without damaging the threads is to use a pair of electrical pliers (a crimp tool) which features a series of metric sizing crimp holes near the hinge. These are common on certain crimp tool die sets.
In a pinch, you can also use a hacksaw to shorten a bolt or machine screw. However, you are more likely to damage the threading this way, and you may need to finish the cut end with sandpaper or deburring tools afterwards.
The exact difference between machine screws and bolts is not always clear, particularly as their appearance is similar. However, machine screws are typically smaller than bolts, although a more precise distinction is the way that they are tightened in a tapped hole.
Bolts tend to be driven home and then tightened fully by turning the nut on the rear side of the fastening. With machine screws, the majority of tightening force (torque) is applied to the head of the screw itself when driving it into a tapped hole.
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A further dissimilarity for bolts vs machine screws is that while all machine screws can be effectively used as a type of bolt, the same is not necessarily true in reverse. In other words, not all bolts can perform the full range of functions as a machine screw.
All screws are made up of four main parts:
A huge selection is available for a wide range of applications. They can be classified by the type of material they&#;re made from, such as brass, stainless steel, carbon steel, etc., their size (diameter and length) and the different screw head types, drive types and thread types.
The screws you choose will depend on the task. Things to consider are the thickness, density, and strength of the substrate material, the size and weight of the load they need to hold, and the risk of the material tearing or splitting.
For example, the length should be long enough to securely hold the materials together but not so long that it passes through the other side. They should be thick enough not to be bent out of shape by hard materials but not so thick that they will split delicate materials.
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