Allen Socket Cap Head Screws Bolts Spring Washer Plain Washer

Short Description:

Combination screw refers to a screw with a spring washer and a flat washer through the rolling teeth, combined fastening together. Combination screws are divided into pan head combination screws and outer hex combination screws, and there is a hex combination screws. The main feature of these combined screws is that they are equipped with corresponding washers, which is very convenient to use. The function of the combination screw is also very simple, that is, to connect the fastening product object, because it is a flat pad to rub the teeth on the screw, and there is no need to match the flat pad when using. Moreover, when used, the combination screw has a particularly large role, that is, the anti-loosening effect. The biggest advantage of combination screws is that they play a connecting role. Combination screws are mostly used for the connection between thin metal plates. When connecting, first make the threaded bottom hole of the connected piece, and then screw the combination screw into the threaded bottom hole of the connected piece. Due to the high hardness of the thread surface of the combination screw, the internal thread can be tapped out in the thread bottom hole of the connected part to form a connection

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