Round Head Square Neck Bolts

GB-T 14 is a national standard number, specifically used to stipulate the relevant parameters and performance of Round Head Square Neck Bolts, which are round head square neck bolts with semi-circular head square neck. The head of the Round Head Square Neck Bolts GB-T 14 is designed as a large semi-circular head. This shape makes it have better fixing effect and anti-theft effect, because the head does not have a groove or internal hexagon design that can be used as a power tool. The round head square neck bolt GB-T 14 has a square neck under the head. Due to the square neck, the bolt will not rotate with the nut, thus increasing the stability of the connection. Round head square neck bolts GB-T 14 are widely used in automobiles, textile machines, flour machines, lifeboats and other occasions that require high-strength fastening due to its good fixing effect and anti-theft effect. When selecting and using round head square neck bolts GB-T 14, appropriate specifications and materials should be selected according to specific application scenarios and needs to ensure the stability and safety of the connection.

Pictures

Product drawing

Product Specification

Some introduction about our company

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.

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.

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

FAQ

1. Please send catalog?

If you need a catalog, you can leave us your email and we will send the catalog within 2 working hours.

2. Can you accept using my own logo or design on the Round Head Square Neck Bolts?

Yeah, no problem.

3.How do you control Round Head Square Neck Bolts quality?

We need QC to inspect every manufacturing link of each batch of Round Head Square Neck Bolts. We can provide you MTC and manufacturing unit certificate after the product is completed.

4. Could I visit your factory?

sure. We welcome you to visit our factory anytime. It is best to contact us before coming and tell us your schedule so we can pick you up from the airport or train station.