Stainless steel screws to do surface treatment

When it comes to stainless steel screws, I believe we are all familiar with it, and the scope of application is also very common. Under normal circumstances, the surface of stainless steel screws is smooth, and you do not need to do any surface treatment. But some customers will put forward some surface treatment requirements, […]

Several surface treatment methods of screws

Screws are widely used as fasteners for fastening connections. Widely used industries, including energy, electronics, electrical appliances, machinery, and so on, there are standard parts and non-standard parts, screw fastener surface treatment is a process of forming a covering layer on the surface of the workpiece by a certain method, the purpose is to give […]

How to distinguish stainless steel screws, galvanized and nickel-plated screws

By color: 1, stainless steel screw is the primary color of iron, is stainless steel material, stainless steel color is mainly iron and carbon alloy, so the color is close to the color of iron; 2, galvanized screws surface galvanized white zinc, color zinc, black zinc, etc., so the color of galvanized screws is generally […]

What are non-slip screws

On the mention of non-slip screws, probably most people will think that the imitation screw is not the imitation loose screw? It’s essentially the same thing, but everyone calls it differently. Non-slip screws are also known as self-locking screws, the purpose of this screw is to loosen the imitation nut, the fine nut itself has […]

Fastener material knowledge

Fastener raw materials refer to the materials needed to manufacture fasteners. Common fasteners include bolts, nuts, screws, studs, etc., which are usually made of metal, such as steel, stainless steel, aluminum alloy, etc. The following are some common fastener raw materials and their characteristics: 1.Steel: Steel is the most common fastener material, because of its […]

What is the difference between stainless steel 304 screws and 316 screws

At present, the most commonly used stainless steel screws are 304 and 316. Stainless steel screws are used in many industries, but what is the difference between stainless steel 304 screws and 316 screws, which is better? 1.Generally, the surface of 304 stainless steel screws shows A2, while 316 stainless steel screws show A4, A2 […]

What are screws?

A screw is a common fastener whose function is to join two or more objects together. The structure of the screw is very simple, usually composed of two parts: the head and the thread. The head has different shapes, such as groove, cross, hexagonal, etc., for tightening or loosening with the corresponding screwdriver or wrench. […]

What is the main use of hex head screw in use?

A hex head screw is a common fastener mainly used to join two or more materials, and it comes in many different kinds, including outer hex screws and inner hex screws. External hex head screws are often used for the connection of large equipment, suitable for thin-walled parts or under impact, vibration or alternating loads, and can also be […]

How to do a good job before the color paint screws?

Three points of attention before the spray treatment process of baby carriage screws: What is spray. Spraying is a coating method that is dispersed into uniform and fine droplets through a spray gun or a dish atomizer and applied on the surface of the coated object by means of pressure or centrifugal force. Two: hardware […]

How to discuss the development prospects of screws?

Screws are small mechanical parts, they are widely used in various fields, from home maintenance to industrial manufacturing, all need to use screws. Although screws look simple, their importance cannot be overlooked. The history of screws can be traced back to the 4th century BC, the early screw was invented by the Greek engineer Archimedes, […]

The correct operation method of heat treatment processing

Heat treatment processing technology is widely used, of course, for the processed products, its quality is completely determined by the operation of heat treatment processing: 1.the operation of heat treatment processing, it is necessary to check the equipment frequently, the oil pipe and air pipe shall not leak oil, air leakage, the bottom of the […]

Analysis of solid solution treatment for important steps of surface heat treatment

Surface heat treatment, as the name implies, is a metal heat treatment process that changes the surface performance by heating and cooling the steel surface, and solution treatment is the most important step in surface heat treatment, the specific analysis is as follows: The heating temperature of the general solution treatment is between 780-820 ° […]