Screws are the smallest, but the most essential part or component in engineering and manufacturing industries. There are several types of screws available on the market, and Sems screws are an exception amongst them. By conventional definition, sems screws are types of machine screws that are equipped with a pre-assembled free-spinning lock-washer in one assembly. The washers are captive, thus permanently attached. Normally, washers are often used in a combination with the screws just to improve the overall structural integrity of a given assembly. Nonetheless, in this case, these two are separate components altogether. However, the pre-assembled screw and washer combination is quite simplified and have improved efficiencies in several manufacturing processes. Also, they are available in a variety of types including tapping and machine screws with different head types. Moreover, speaking of their materials, these screws are made out of high grade materials like stainless steel, steel, plated, aluminum, bronze, brass and others. They are many established companies that provide these screws per JIS and ISO specifications and with every desired quantity and quality. Such companies also render head and drive type with short lead times.
What is a SEMs screw?
Well, this is a generic terminology that is used to describe a screw that is pre-assembled along with a free-spinning lock washer. As aforementioned, these are the types of screws that are designed and manufactured with permanent attached washers. A Sem screw is one single permanent assembly that has the washer held in position by the major diameter of the screw thread. This part is typically larger than the hole of the washer.
These screws are easy to use, simple, and available in several different styles apt for different industrial applications. Such screws are also most frequently used in electronic components, consumer appliances, products, automobile industry, and industrial machinery.
Benefits
In addition, to all the above features and characteristics, these screws are widely used in many industries due to the several benefits it possesses. They are as follows:
Permanent assembly guarantees that the washer is intact. Hence, the washer will never be lost, forgotten, or dropped.
Offers low cost and is widely available.
These screws are mostly available in screw and washer combinations.
They increase the productivity by omitting the hand assembly of individual components.
There is an ease of use due to the automated production programs and hand drivers.
Nonetheless, besides all these prevailing benefits there are certain considerations one has to make when selecting these screws. To start with, select the appropriate configuration for your given task, and make sure the design is good. This will ensure you good savings in the long run. Another aspect is the good finishing and aesthetic appeal. This will enhance optimal performance and offer an ease of use as well.
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