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Uses of various stainless steel bolts

Dec 08, 2021 View: 892

Stainless steel plate anchors generally refer to steel bolts that have the ability to resist corrosion by air, water, acid, alkali or other media. Stainless steel plate screws are generally not easy to rust, durable, and can be used in environmental protection equipment, medical equipment, communication equipment and other categories. Depending on the composition of the alloy, rust resistance and acid resistance should not be emphasized. Some steels, although they are rust-proof, are not acid-resistant, while acid-resistant steels are generally rust-proof. In daily life, stainless steel is often called austenitic stainless steel.

A stainless steel bolt with a nut is used as a connecting piece to fasten and connect two through holes for structure. Stainless steel hexagon head bolts can be divided into stainless steel hexagon head bolts, stainless steel hexagon flange bolts, stainless steel square head bolts, round head (square neck or tenon) bolts, countersunk head bolts (square neck or tenon) bolts, T Grooved bolts, stainless steel movable joint bolts and other varieties. The following specifically talk about the respective uses of these stainless steel bolts.

Stainless steel plate hexagon head bolts are a kind of bolts that are widely used. Grade A and B bolts are used in important parts, requiring high installation accuracy and being able to withstand greater impact, vibration or alternating loads. Screws are suitable for occasions with rough surface and low installation accuracy requirements. The thread of the screw is generally coarse thread. The self-locking performance of the West Asian screw is better, and it is mainly used for thin-walled parts or occasions that are subject to impact, oscillation or alternating loads. Ordinary bolts are made of partial threads. Full-threaded bolts are mainly suitable for nominal short-diameter bolts and occasions requiring longer threads. The anchor rod is used in occasions where the anchor rod is required to be locked. Use bolts to accurately fix the direction of the connecting piece, and it can accept the shear and squeeze generated by the lateral force.

The end of the stainless steel plate hexagon flange bolt is composed of a hexagon head and a flange surface, and its "supporting area to stress area ratio" is larger than that of ordinary hexagon head bolts, so this kind of bolt can accept higher pre-tightening force, so This kind of bolt can accept higher pre-tightening force and has better anti-loosening performance, so it is widely used in products such as car engines.

Stainless steel plate (square neck steel or tenon steel) bolts are mostly used where the surface of the joined parts is required to be flat or smooth without hindering the pendant.

T-slot bolts are suitable for connecting bolts on only one side of the connected part. After inserting the T-slot, roll up 90° to prevent the bolt from coming off; it is also suitable for occasions with compact structure requirements.

The square stainless steel square head bolts are larger in size, which can be convenient for wrench clamping, or rely on other parts to stop the action. It can also be used on the T-slot to adjust the bolt's position. Class C square head bolts are often used for rougher structures.

Half-round head (square neck or tenon head) bolts are mostly used in situations where the structure is limited and it is inconvenient for other head bolts or connectors that require smooth bolt heads. The structure of the square neck or tongue and groove plays a blocking role. Ordinary half-round head bolts are mostly used for metal parts, half-round head bolts are mostly used on wooden parts, and reinforced half-round head bolts are mostly used in occasions that bear impact, vibration and alternating loads.

Swing bolts of stainless steel plate are mostly used in occasions or molds that need to be disassembled frequently. Like the hinged bolt, it is also called a hole screw in China, and it is also called a fisheye screw in foreign countries in accordance with the requirements of the GB/T798-88 standard. Application items: filter self-rescuer, gas detector, dust mask, raincoat for mine, detonation device for mine, usage details: Spool plug is widely used in: low temperature and high pressure valve, various types of pressure pipeline, fluid engineering, petroleum Drilling and production equipment, oilfield equipment, etc., are often used in connection occasions or tools, such as valve industry, folding bicycles, and baby carriage applications. Because the joint bolts are convenient and fast to use, and the matching nuts are used for connection and fastening, it has a wide range of applications. . The sealing problem of valve hinge bolts cannot be ignored, because valve leakage, air leakage, dripping and other phenomena come from here, and the quality assurance of hinge bolts is required to ensure the safety of use.

Stainless steel plate anchor bolts are specially used for the bottom of embedded cement roots and used for fixing mechanical equipment. Anchor bolts are screw rods used to fasten equipment, etc. to the bottom of the concrete root. Mainly used in the infrastructure of railways, highways, power companies, factories, mines, bridges, tower cranes, large-span steel structures and large buildings. There is strong stability.


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