Grade 8.8 U Bolts
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Grade 8.8 U Bolts

When it comes to U bolts, they can be categorized based on the material used. There are two major categories - carbon steel and stainless steel. Carbon steel is also referred to as ordinary carbon structural steel and is categorized into Q235, Q345, and alloy steel based on the carbon content...
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Product Introduction

When it comes to U bolts, they can be categorized based on the material used. There are two major categories - carbon steel and stainless steel. Carbon steel is also referred to as ordinary carbon structural steel and is categorized into Q235, Q345, and alloy steel based on the carbon content and steel strength. On the other hand, stainless steel is categorized into a wide range of types, including 304, 321, 304L, 316, 316L, 317, 317L, 310S, among others. This categorization is based on the specific type of stainless steel utilized, making it easier to select the right U bolt for specific applications.

The categorization of U bolts is based on their strength, which can be classified into two categories. The first category includes low strength U bolts that can be rated at grade 4.6, 4.8, 5.8 or 6.8. While the second category is high strength U bolts that can be rated at grade 8.8, 10.9 or 12.9. Additionally, the strength of zinc plated U bolts with a rating of 6.8 or lower is regarded as low strength, while those with a rating that is higher than 6.8 are considered as high strength.

At Jinrui, we are experts in manufacturing an extensive range of HDG U bolts with different materials and strength levels. Our product line includes bolts, nuts, screws, washers, and studs, catering to various specifications. We take pride in offering grade 8.8 U bolts, and we would be delighted to serve you. Visit us today and experience the quality and reliability of our products.

Production Process of Grade 8.8 U Bolts

Production Process of Grade 8.8 U Bolts

Specification of Grade 8.8 U Bolts

Grade 8.8 U Bolts

Common Grade and Coating

Standard

Material

Grade

Finish

Thread

Non standard
customized

carbon steel

4.6
4.8
5.8
8.8
10.9
12.9
A2-70
A4-70

Plain

UNC

Zinc plated

Alloy steel

Yellow zinc plated

PTFE

Stainless steel

Black Oxide

UNF

Dacromet

Other

HDG

Other

Application Area of Grade 8.8 U Bolts

One of the primary purposes of the U bolt is to provide a secure and stable installation. It finds extensive application in various scenarios such as fixing pipelines and wire ropes. Another notable use is in trucks, where hot dip galvanized U bolts are employed to stabilize the vehicle's chassis and frame. Moreover, grade 8.8 U bolts serve to connect leaf springs effectively. Due to their versatility, U bolts continue to be widely utilized for connecting and installing mechanical components in diverse settings such as ships, bridges, tunnels, railways, and more.

In addition to the aforementioned items, various other products are utilized in specific areas within these industries. These include flange nuts, rail bolts, flat head hex bolts, T-bolts, hex bolts, and round head oval neck bolts. It should be noted that different locations may have their own preferences in terms of product usage.

Application area of Grade 8.8 U Bolts

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