The expansion screw is composed of a screw and an expansion tube. The tail of the screw is cone-shaped, and the inner diameter of the cone is larger than the inner diameter of the expansion tube. When the nut is tightened, the screw moves outwards, and the conical part moves through the axial moveme... read more
The screw wire needs to be processed before it can be put into screw production. The following briefly introduces the pickling and drawing process of the screw wire. The purpose of pickling is to remove the oxide film on the wire surface and form a layer of phosphate film on the metal surface to red... read more
Fasteners are an indispensable part of the equipment. Let’s take a look at the performance of the fasteners on the equipment. It depends on the nature of the drilling technology and depends on the effective and safe Drilling, drilling in a masonry building is not a cutting operation of drilling hole... read more
Fasteners are used throughout various equipment and facilities. For the use of fasteners, our common problems are that they are rusty, difficult to unload, and cannot be screwed. This is actually normal. It may be because the fasteners have been used for too long, or the quality of the fasteners is ... read more
Fastener screws need to be inspected before or after production before they can be officially put into use. Therefore, in order to obtain better results of fastener screws, these inspections must be carried out carefully and based on the summary of experience. To tell you about some inspections of f... read more
Yuyao Xintai Hardware Co., Ltd. was founded in 2005, which is a professional China construction anchor bolts manufacturers and concrete anchor bolts factory,our company engaged in various kinds of expansion bolt,high strength fasteners. We are near to Hang Zhou Bay, and cover 7000 square meters.
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