Serrated Flange Bolt

QC/T 340 specifies the requirements for the Serrated Flange Bolt for Automobile. The head of the bolt is hexagonal with a flange surface and serrations on the flange surface. This design enables the Serrated Flange Bolt for Automobile QC/T 340 to better fit the connected parts during installation, increase friction, improve the stability and reliability of the connection, and prevent the bolt from loosening. For example, in the connection of key parts such as automobile engines and chassis, the Serrated Flange Bolt for Automobile QC/T 340 can effectively ensure the fastening between parts. Serrated Flange Bolt for Automobile QC/T 340 is a commonly used fastener in the automotive industry. The formulation of its standard aims to standardize the design, production and inspection of bolts, ensure that the quality and performance of the bolts meet the requirements of automobile use, and ensure the safety and reliability of the automobile. In the process of automobile manufacturing and maintenance, the correct selection and use of Serrated Flange Bolt for Automobile that meets this standard is crucial to ensure the quality and performance of the automobile.

Pictures

Product drawing

Product Specification

Some introduction about our company

Application

Jinan Star Company specializes in the production of fastener products. Our bolts, nuts and other products are widely used in machinery, railways, automobiles, construction, electrical, bridges, communications, firefighting and other industries.

Production equipment

In order to meet the needs of different customers, the company has introduced a series of advanced production equipment, such as multi-station cold heading machines, thread rolling equipment, heat treatment equipment, shot blasting machines, sand blasting machines, electroplating lines and other surface treatment equipment, and fully automatic packaging equipment. These equipment not only improve production efficiency, but also ensure the consistency and stability of product quality.

Exhibition

Jinan Star actively participates in various exhibitions in the fastener industry. On the one hand, it expands its customer base, and on the other hand, it keeps up with the development trend of the fastener industry, understands customer needs, and then makes improvements in quality, service, etc.

Our Customers

Our bolts, screws and other fasteners are exported to many countries including the United States, Germany, Australia, Japan, etc. Since the establishment of the factory in 1968, we have accumulated many long-term partners. Jinan Star has been committed to providing customers with high-quality bolts and other fasteners. For this reason, our products and team will be trusted by customers and move towards a brighter future together.

Packing

Service

1. Customized production: We are dedicated to providing highly personalized production services. According to the specific needs of customers and the particular vehicle model they have, we offer customized Serrated Flange Bolt for Automobile QC/T 340 size options. Whether it's a specific diameter, length, or thread pitch, we can tailor it to meet the exact requirements. Additionally, we provide choices in terms of material. Different materials possess distinct properties such as strength, durability, and corrosion resistance. We can select the most suitable material based on the customer's usage environment and performance expectations. Moreover, we also offer customization in surface treatment. This could include processes like galvanizing, chroming, or other specialized coatings to enhance the bolt's appearance and protect it from environmental factors. In short, our customized production service is designed to meet every unique demand of our customers. 

2. Quality inspection and certification: Rigorous quality inspection procedures are implemented on the produced Serrated Flange Bolt for Automobile QC/T 340. Our team of highly skilled inspectors conducts a series of comprehensive tests to ensure that these bolts meet the exacting standards of the QC/T 340 standard. This includes checking various aspects such as dimensions, material composition, mechanical properties, and surface finish. We leave no stone unturned in our pursuit of quality, as we understand the critical importance of these bolts in ensuring the safety and reliability of vehicles. In addition to meeting the industry standard, we also strive to fulfill the specific requirements of our customers. Each batch of bolts is carefully inspected to ensure it meets their unique specifications and expectations. Only after passing these stringent quality inspections are the bolts certified and ready for delivery.