DIN 6921 Hexagon Head Flange Bolts

DIN 6921 hexagonal flange bolt is a fastener produced in accordance with the German Industrial Standard (DIN), with a hexagonal head and flange design. This bolt is widely used in various mechanical and engineering structures, and is known for its high strength and reliability. hexagonal flange bolt is a fastener composed of a hexagonal head, a flange plate, and a screw. The head of the flange bolt has an enlarged flange surface, which can provide a larger support area and enhance the stability of the connection. DIN 6921 hexagonal flange bolts are widely used in automobiles, rail transportation, ships, bridges, construction and other fields, especially in situations where high-strength and stable connections are required. Our company specializes in the production of flange bolts. The inspection test methods for flange bolts include hardness test, tensile test, impact test, torque coefficient test, salt spray test, etc.

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.

Certification

Jinan Star Fastener Co., Ltd. has obtained the 2015 version of ISO9001 quality management system certification through the scientific management of leaders of various departments and the pursuit of high quality for bolts and other fasteners. In addition, the laboratory owned by Star Company has obtained the certification in 2017. It passed the national CNAS certification in 2018, and the company passed the European CE certification in 2018.

Workshop

The workshop of Jinan Star Fastener Co., Ltd. is the core area of the company's production and manufacturing, with advanced production equipment. The reasonable layout of the workshop and the scientific production process ensure the efficient production and high-quality output of fastener products.

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.

Testing Equipment

Jinan Star Fastener Company attaches great importance to product quality and is equipped with complete quality inspection equipment, such as tensile testing machines, torque testers,metallographic microscopes, optical projectors, salt spray test chambers, coating thickness gauges, etc., which are used to test the tensile strength and elongation of fastener products and evaluate the mechanical properties of products. These equipment ensure that every link from raw materials to finished products can be strictly controlled in quality.

Packing

Service

1.Professional technical support and after-sales service: Star has a professional technical support team to provide customers with comprehensive technical support and problem solving. This includes product use guidance, installation guidance, troubleshooting, etc., to ensure that customers can get timely help and support during use. At the same time, the manufacturer also provides after-sales services such as return and exchange, repair, etc. to solve problems encountered by customers during use. 

2.Quality control and testing: Star pays attention to product quality control, and conducts strict quality control in all links from raw material procurement to production and processing, finished product inspection, etc. At the same time, the manufacturer is also equipped with advanced testing equipment to conduct strict testing of the products to ensure that the products meet the relevant standards and customer requirements.

FAQ

1. How do you make me trust you?

We have self-operated import and export rights, and our products are exported to Australia, Japan, Germany and other countries. At the same time, we maintain long-term friendly cooperative relationships with major manufacturers.

2. What is your price?

The products are of high quality and reasonably priced. Please send me an inquiry and I will quote you immediately for your reference.

3. How do you control the quality?

We require QC to inspect every production link of every batch of goods. After the goods are completed, we can provide you with MTC and factory certificate.

4. Can you provide free samples?

For new customers, we can provide standard fastener samples for free, but customers will pay

Express fee. For old customers, we will send you samples for free, and the express fee will be paid by ourselves.