Hot Dip Galvanized Screws For Industrial Application

Hot dip galvanized screw industrial application, the main purpose is to make the industrial products composed of a fixed body, in the use of teeth and teeth often can not close, too hard to lock the screw head off, or bad teeth locked not tight and other conditions failed to meet the use, are quality accuracy problems. Screws are "quantity products",

Not handmade artwork, in mass production, in order to achieve high precision and stable quality and mass price supply to consumers for the purpose. The accuracy of screws is usually class 6G (class 2, IFI 2A) and class 8G (Class 3, IFI 1A) for construction screws. The value of screws is very important. There are examples of automobile factories going bankrupt because of poor screw quality in the world. There are also poor screw quality caused by the aircraft crash, overturned vehicles example.

Basic requirements for hot dip galvanized bolt connections

What are the basic requirements for hot dip galvanized bolt connection? Ordinary hot dip galvanized bolts as sexual connection bolts should meet the following requirements:

1. For general bolt connections, flat washers should be placed under the bolt head and nut to increase the bearing area.

2. Place flat washers on the bolt head and nut side respectively. Generally, there should be no more than two flat washers on the bolt head and no more than one flat washers on the nut side.

3. For bolts and anchor bolts that require anti-loosening design, nuts or spring washers of anti-loosening devices shall be used, and spring washers shall be installed on one side of the nut.

4. For bolt connections bearing dynamic loads or important parts, spring washers should be placed according to design requirements, and spring washers must be set on one side of the nut.

5. For I-steel, channel steel type steel using inclined connection should use inclined gaskets, so that the supporting surface of the nut and bolt head is perpendicular to the screw.