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Drill head screws are very similar in use to automatic screws, except that they are more capable of making the initial hole at the desired point in terms of the drill bit embedded in them. Their most commonly used radishes are known as gutters. It is widely used in the construction of niches and huts. The flower of these screws is both a wrench and a screwdriver and is usually a plastic gasket and a metal gasket that are attached to it. Nowadays, varadat type screws are more common in Iran. Taiwan seems to have surpassed other countries in the production of drill screws to find a suitable market in Iran. Of course, China is currently competing with Taiwan for the highest quality of such products. Of course, the Chinese version is more economically viable. Modern fittings now have both types of screws imported from both countries that will be delivered on request at the company's warehouse in Qazvin Square upon request, or if the order is high and high, order from the country of origin at reasonable prices. More possible.
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