DIN 7991 M20 Stainless Steel Hexagon Socket Countersunk Head Cap Screws

DIN 7991 Coarse Threaded Stainless Steel  M2-M40 Hexagon socket countersunk head cap screws
 

 

1.Product Description

 

The Hex Socket Head Shoulder Screws is a hex socket screw with shoulder or step, also called step screws. Some of the shoulder screw have a kurled head and some just have a smooth surface.  A hex socket shoulder screw is a type of fastener, sometimes similar to a bolt, typically made of metal, and characterized by a shoulder or step, known as a external thread.  Shoulder screws are a type of machine screw with precise threads that are only half or less of the screw. A shoulder screw has a partially smooth shank that will allow the parted material some rotation and movement around the screw axis, as the threaded end will typically have a nut to maintain the position. These shoulder screws must be used with drilled holes and are common in machinery with vibration and heat variations. These are also called stripper bolts.A shoulder screw is an inclined plane wrapped around a nail. Some screw threads are designed to mate with a complementary thread, known as a internal thread, often in the form of a nut or an object that has the internal thread formed into it. Other screw threads are designed to cut a helical groove in a softer material as the screw is inserted. The most common uses of screws are to hold objects together and to position objects. The collar of the machine screw help to reducing the chance of damage to the part, and making it fasten firmly as a result of an uneven fastening surface.

More details:

 

 

4.Advantages

 

Common chioce for fastening, which provide high tensile, offering high holding power and corrosion resistance and don't need any coating. Competitive prices with professional factory supply. Perfect fastening solution with 10 years experiences to solve your problem: Wide range of parts selection. Durability testing and critical technical design to enhance fasteners lifetime. 

DIN 7991 Coarse Threaded Stainless Steel  M2-M40 Hexagon socket countersunk head cap screws
 

 

1.Product Description

 

The Hex Socket Head Shoulder Screws is a hex socket screw with shoulder or step, also called step screws. Some of the shoulder screw have a kurled head and some just have a smooth surface.  A hex socket shoulder screw is a type of fastener, sometimes similar to a bolt, typically made of metal, and characterized by a shoulder or step, known as a external thread.  Shoulder screws are a type of machine screw with precise threads that are only half or less of the screw. A shoulder screw has a partially smooth shank that will allow the parted material some rotation and movement around the screw axis, as the threaded end will typically have a nut to maintain the position. These shoulder screws must be used with drilled holes and are common in machinery with vibration and heat variations. These are also called stripper bolts.A shoulder screw is an inclined plane wrapped around a nail. Some screw threads are designed to mate with a complementary thread, known as a internal thread, often in the form of a nut or an object that has the internal thread formed into it. Other screw threads are designed to cut a helical groove in a softer material as the screw is inserted. The most common uses of screws are to hold objects together and to position objects. The collar of the machine screw help to reducing the chance of damage to the part, and making it fasten firmly as a result of an uneven fastening surface.

More details:

 

 

4.Advantages

 

Common chioce for fastening, which provide high tensile, offering high holding power and corrosion resistance and don't need any coating. Competitive prices with professional factory supply. Perfect fastening solution with 10 years experiences to solve your problem: Wide range of parts selection. Durability testing and critical technical design to enhance fasteners lifetime. 

Carbon Steel Products

What is carbon steel made of?
So-called carbon steel actually means the mechanics performance depends on is the carbon content in steel, general not add master alloy elements of the steel is also known as general carbon steel or carbon steel, and also called carbon steel, carbon steel means the carbon content WC is less than two percent of the iron carbon alloy, carbon and carbon steel in addition to outside, also contains a small amount of materials such as silicon, manganese, sulfur and phosphorus.
Generally carbon steel with higher carbon content will be harder and stronger, but the plasticity will be lower.
What are the advantages and disadvantages of carbon steel?
advantages
1. Higher hardness and better wear resistance of carbon steel can be obtained after heat treatment.
2. The hardness of carbon steel in annealed state is very moderate, and it has good machinability.
3, carbon steel raw materials are very common, simple and easy to obtain, and the cost of production is relatively low.
disadvantages
1, the thermal hardness of carbon steel will be poor, because when the working temperature of the tool is more than two hundred degrees, its hardness and wear resistance will drop sharply.
2, the hardenability of carbon steel is very low, water quenching completely quenched the diameter of the general in 15-18 mm, and for the diameter or thickness is only about 6 mm, so it will be relatively easy to deformation and cracking.
What are the classifications of carbon steel
1, according to the use of carbon steel can be divided into carbon structural steel, carbon tool steel and easy to cut structural steel these three categories.
2. According to the smelting method, carbon steel can be divided into open hearth steel, converter steel and electric furnace steel.
3. According to the method of deoxidation, carbon steel can be classified into efferrescent steel, killed steel, semi-killed steel and special killed steel, which are denoted by code F, Z, B and TZ respectively.
According to the carbon content, carbon steel can be divided into low carbon steel, medium carbon steel and high carbon steel.
5. According to the content of sulfur and phosphorus, carbon steel can be divided into ordinary carbon steel with higher content, high-quality carbon steel with lower content of phosphorus and sulfur, and high-grade high-quality steel with lower content of phosphorus and sulfur, and finally there is a super grade of high-quality steel these four categories.

Carbon Steel Stainless,Carbon Seamless Steel,Metal Stamping Carbon Steel Products,Carbon Steel Square Pipe

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