Screw is an indispensable industrial necessity in daily life: such as camera, eyeglass, clock, electronic, etc. General screws for television, electrical products, Musical Instruments, furniture, etc. Among the many kinds of screw families, the easiest to ignore and confuse is hex cap screws.

The self-drilling screw is the screw with a self-tapping drill head on the front end of the screw. Screw is a common invention in people's production and life for thousands of years. According to the application field, it is the first invention of mankind. The drilling screw is a new invention in recent years, also known as self-drilling screw. Screws are the general term for fasteners, daily verbal.

The traditional screw set has a hexagonal drive on one end and is pointed on the other, though this may vary according to consumer and producer specifications. The set screw is often used together with a shaft collar, and like its functional relatives, eg. the dowel pin and shoulder screw, they are used in assembly.

When you are looking for fasteners, you are trying to evaluate the situation and pick the best way to put materials together. Fastening one or more pieces of light, medium, or heavy gage sheet metal together may require the use of adhesives, riveting, or self-tapping screws. If an application requires access or several layers, tapping screws maybe the best option.

Wood screws?A screw designed for a wood or a similar material, with a point, a relatively coarse thread, a thick shank, and, usually, an unthreaded portion of the shank at the head end.wood screws materialAn iron based material with a minimum of 10.5% chromium. This material is known for its corrosi

The machine screws series is one of the most important categories in the whole fastener product line. In life, we often see machine screws on various occasions, such as on the machine, in the wardrobe, on the board, and so on. In fact, we are no strangers to machine screws. Today we are going to have a deep understanding of machine screws.