The production method of particleboard is divided into the flat production method of intermittent production and the extrusion method and rolling method for continuous production according to different slab forming and hot pressing process equipment. In the actual production, the flat pressure method is mainly used.
Cross countersunk head bolts are applicable to situations where the head of the Screw is not allowed to be exposed, but the corresponding conical countersunk hole must be made on the surface of the part with through hole. Common in machinery, electrical appliances and buildings. It is used to connect two connected parts. One part is made into a through hole, and the other part is made into a threaded hole.
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Jiangsu Jiajie Special Screw Co., Ltd , https://www.jiajiescrewcompany.com