Knowledge

1. The difference between screws, nuts, nuts, bolts, screws, and studs: The standard statement is that there are no screws and nuts. Screws are common

In the fastener forming process, cold heading (extrusion) technology is the main processing technology. Cold heading (extrusion) belongs to the catego

The steel grades of cold heading steel wire rod and wire rod are generally low carbon, medium carbon, high quality carbon structural steel and low all

There are more than 10 grades of bolts for steel structure connection, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc., of which the bolts

Stainless steel screw refers to a screw shape that is punched with stainless steel screw wire, and then the thread is screwed. The material is stainle

If we are going to use a screw, the first thing we have to do is to understand the performance of the screw, that is its characteristics, so that we c

1. First, remove the sludge on the surface of the broken screw and use the center blaster to kill the center of the section. Then use an electric dril

1. Appearance quality requirements The appearance inspection of the screw is to inspect the appearance, plating layer and other aspects. Second, the i

(1) Use solvent-free paint as far as possible for vibration machinery. (2) It is best to use impregnating varnishes that do not contain oxidizing comp

1. Stainless steel screws are a family of iron alloys, each of which contains more than 12% chromium . Chromium is an anti-corrosion component, so all

Pickling is to remove the oxide film on the metal material, and while removing the oxide film, a layer of phosphate film should be formed on the surfa

Hexagonal non-standard screws are also called blind rivet nuts, pull caps, instant pull caps. They are used in the fastening fields of various metal s