Let’s learn about rail spikesRail spikes is the abbreviation of metal spikes for railway tracks. This kind of spike is an indispensable accessory on the railway. Although it is small but has an important function, it is still very confused for those who are not in touch with rail spikes.
How to remove the hex head bolt when it is brokenHow to remove the hex head bolt when it is broken? The following hex head bolt manufacturer will take you to find out.
Introduction to the meaning of the performance level of the big hex head boltThe large hex head bolt performance grade label consists of two numbers, which respectively represent the nominal tensile strength value and the yield ratio of the bolt material.
The hex head bolt manufacturer will show you: the performance grade of the hex head boltThe hex head bolt manufacturer tells you that the performance grades of bolts for steel structure connections are divided into more than 10 grades such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, and 12.9.
The standard and stipulated mark meaning of hex head boltSpeaking of hex head bolt, it is a very big concept. Hex head bolts are divided into extra hexagonal bolts and inner hexagonal bolts, which are commonly used fasteners and are mainly used for fastening mechanical equipment. Regardless of whether it is an external hexagon or an internal hexagon, their specification and size representation methods are similar.
hex head bolt content introductionThe hex head bolt is a type of fastener consisting of two parts, a head and a screw (cylinder with external threads). It needs to be matched with a nut to fasten and connect two parts with through holes. Hex head bolts are divided into two types: external hexagonal bolts and internal hexagonal screws, which are usually used for fastening mechanical equipment.
Classification of railway fastenerRailway fastener is a part used to connect rails and sleepers (or other types of under-rail foundations) on the track, also known as intermediate connecting parts. Its function is to fix the rail on the sleeper, maintain the gauge and prevent the rail from moving vertically and horizontally relative to the sleeper. Classification of railway fastener: