According to the force mode of the connection points: points of ordinary and with hinge hole. The normal load is mainly axial load, but it can also load the lateral load which is not high.

In terms of most management demands, combination screw companies pursue input-output, that is, the pursuit of combination screw application and operation efficiency.

First of all, we should use the "three good" to measure whether the combination screws are worth choosing.

Combination screw refers to a screw with a spring pad and a flat pad, which is combined and fastened together by rubbing the teeth. Two combination refers to a screw with only one spring cushion or with only one flat cushion. There may also be two combinations with only one flower tooth.

This article introduces the basic knowledge of all aspects of bolts.

This article shares the precautions for using bolts.