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China Flange Bolt Manufacturers, Suppliers, Factory

Jinghong Fasteners® Flange bolts have a circular flange under the head that acts like a washer to distribute the load. Flange bolts that are non-serrated are sometimes called frame bolts.


Why are flange bolts used?


Flange bolts are a special type of bolts that are mainly used to connect two mutually rotating parts and provide a tight seal. Some common applications include connecting equipment such as pipes, compressors, pumps and valves.


The reason for using flange bolts is that they provide better sealing properties, allowing the pressure generated in the connection to be more uniform, thus reducing the risk of leakage. In addition, the design of flange bolts allows the two parts to be more easily disassembled and reconnected, so they are often used on equipment that requires frequent maintenance and cleaning.


Compared with ordinary bolts, the main feature of flange bolts is that they have a flat head with many holes around the head for tightening, and a set of flat washers and elastic washers are required to ensure sealing. They are usually made of high-quality materials to ensure their durability and reliability.


In summary, using flange bolts provides better sealing performance and easier maintenance, making it ideal for many industrial applications.

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DIN 6921 Hex Flange Bolt

DIN 6921 Hex Flange Bolt

DIN 6921 Hex Flange Bolt is a German Industrial Standard that specifies hexagon flange bolts with a reduced shank. These bolts are commonly used in various industrial applications and are designed to provide a secure and reliable connection. The reduced shank feature allows for a smoother transition between the shank and the threaded portion of the bolt.

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SUS 316 Flange Bolt

SUS 316 Flange Bolt

A SUS 316 Flange Bolt is a type of bolt designed to be used in conjunction with a flange. A flange is a protruding flat rim, edge, or rib on an object, often used to strengthen or attach it to another object. Flanges are commonly found in piping systems, where they play a crucial role in connecting pipes, valves, and other equipment.

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SUS 304 Flange Bolt

SUS 304 Flange Bolt

A SUS 304 flange bolt refers to a bolt made from stainless steel of the SUS 304 grade. SUS stands for "Steel Use Stainless," and 304 is the designation for the type of stainless steel.

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Grade 12.9 Flange Bolt

Grade 12.9 Flange Bolt

The Grade 12.9 flange bolt is known for its high strength and durability, making it suitable for demanding applications where structural integrity and load-bearing capacity are crucial.

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Cross Hex Flange Bolt

Cross Hex Flange Bolt

Cross Hex Flange Bolt typically refers to a type of screw with a cross-shaped indentation on the head and a flange around the base of the head. The flange is a wide, flat surface that provides additional bearing and helps distribute the load when the screw is tightened.

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Hex Flange Bolt

Hex Flange Bolt

Jinghong Fasteners high quality hex flange bolt is a type of fastener that combines a hexagonal head with an integrated flange, or washer-like feature, under the head. The flange serves multiple purposes, including providing a wider surface area for distributing the load and acting as a built-in washer, which can eliminate the need for a separate washer.

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As one of the professional China Flange Bolt manufacturers and suppliers, we have own factory. You may need some customized services to meet the actual needs of your region, you can leave us a message through the contact information on the webpage. Welcome to buy high quality Flange Bolt from us. We will give you the satisfactory price. Let us cooperate with each other to create a better future and mutual benefit.