Material and application of high strength stud bolt High strength stud bolt is used for mechanical fixed link function. Both ends of the stud bolt have threads, and the screw in the middle has thick and thin ones. It is called straight rod or shrinking rod, also called double head screw. Material of high strength [...]
Advantages and applications of high strength hot dip galvanized bolt The high-strength galvanized bolt is a method of immersing the bolt into the pre heated and melted zinc plating bath to form a layer of zinc coating on the surface of the workpiece after degreasing and derusting. High strength hot-dip galvanized bolt connection has the [...]
Appearance requirements for blackening of high strength bolts: 1. The appearance of blackening treatment is blue black or dark black. 2. The film crystallizes compactly and evenly, and the product has no bottom exposure, obvious color difference, whitening and other abnormal phenomena. If the blackening treatment of high strength blackened bolt is abnormal, the following [...]
Anti loosing method of outer hexagon bolt 1、 Permanent anti loosing method Spot welding, riveting, bonding, etc. This method mostly needs to crush the threaded fasteners during disassembly, which can not be reused. 2、 Friction anti loosing method This is one of the most widely used anti loosing methods. In this method, a positive pressure [...]
Anti rust treatment method of Dacromet hexagon bolt: 1. Rust removal: The derusting process in Dacromet bolt treatment is different from the general pre-treatment method of coating, and acid pickling is used for derusting. This is because most of the parts treated by Dacromet are high-strength bolts, nuts and high-strength stamping parts, which will produce [...]
The processing technology of blackened hexagon bolt is divided into three kinds: low temperature blackening, high temperature blackening and optical extinction blackening. 1. Low temperature blackening The product quality of low temperature blackening process of hexagon bolt is better than that of the same industry, the blackening film of the processed workpiece is firm, the [...]
Application of hot dip galvanized hexagon bolts There are quite a lot of bolts types. Some bolts may only be used in special places, such as hot dip galvanized hexagon bolts are generally suitable for outdoor use. The most used places are bridge barriers, power facilities, power grid structure, etc. of course, the type and [...]
What are the hardness grade of hexagon socket bolts? The cylindrical head of the hexagon socket bolt is in the shape of hexagon socket. There are many kinds of hardness grades. Users can choose according to their different needs to ensure the tightening effect of the bolt. The hardness grade of hexagon socket bolt will [...]
Four advantages of hexagon socket bolt Many things in our life are inseparable from bolts. A small bolt plays a great role. There are many kinds of bolts. Different bolts play different roles. Today, follow me to learn the advantages of hexagon socket bolt. 1. High load capacity There are six planes in the head [...]
Proper maintenance of high strength hexagon bolts? When high strength hexagon bolt is used, it needs to cooperate with the nut to play the role of fastening. If its packaging, transportation and storage methods are improper, it is easy to cause the thread to be crushed and the bolt surface to rust and corrode. Let's [...]
How to prevent the outer hexagon bolt from breaking? The function of outer hexagon bolt is very important. Generally, it needs to be used with nut when tightening. The strength of different specifications and types of hexagon bolts is different. In order to prevent fracture in the process of use, there are some places to [...]
Application error of Dacromet hexagon bolt 1、 Substitute coarse for fine Some parts are connected with fine thread, but in the process of maintenance, the fine thread Dacromet hexagon bolt is lost or damaged, but there is no original matching, some people use coarse thread bolt instead, which is actually very undesirable. Replacing the fine [...]