Anchor

Why Choose Us

OEM/ODM Service
Our customised fasteners are made to your special requirements. It can be fully threaded or partially threaded, and the thread, driving method, material, length, head shape, plating and all these can be specially designed according to your needs.

Good CNC machining technology
From material selection to finished products, Handan Sanwei provides you with comprehensive solutions when it comes to customised fasteners. The fasteners we make are high precision and strong. No matter what kind of precision you need, we can meet it and guarantee your satisfaction.

Strong engineering design team
Our company has an excellent and professional engineering team, and a number of technicians are elites in the industry. The staff always strives to explore new methods and technologies. From the selection of metals and special alloy materials to the finished fasteners, we can solve all aspects of the whole project engineering.

Professional Testing Laboratory
Quality assurance and testing is an important part of producing fasteners. Handan Sanwei has a specialised quality testing laboratory with spectrometers, hardness testers, tensile testers, salt spray test chambers and other equipment, where raw materials and final products are strictly tested. In addition, the company also has experienced testing experts who use professional methods to comprehensively test the fasteners and finally give you a detailed test report.

Digital Quality Control System
We rely on our self-developed full-process digital quality inspection system to strictly control every step from raw materials entering the factory to finished products being shipped. This system will always monitor the quality of the products to ensure that each batch of products meets the industry standards and complies with customer requirements. In addition, it collects and feeds back data in real time, giving you a clear understanding of product quality.

Advantages of Anchor

Strength

One of the primary advantages of anchor is their strength. The anchor bolts are designed to resist tension, shear, and bending loads, making them ideal for securing heavy loads. Additionally, anchor bolts help resist lateral and seismic forces, improving the overall stability of a structure.

Versatility

Another benefit of anchor bolts is their versatility. They come in various sizes, shapes, and materials, making them suitable for different kinds of construction. The bolts also provide flexibility in the design process, allowing engineers and architects to tailor the bolt's length and shape to fit the project's specific requirements.

Easy to install

Anchor bolts are also easy to install, requiring minimal time and labor. With the right tools and equipment, contractors can quickly and efficiently install anchor bolts, making construction projects more time and cost-effective.

Durability

Anchor bolts provide the added benefit of durability. Made from high-strength steel, anchor bolts can withstand harsh environmental conditions and resist corrosion. These qualities make anchor bolts a wise choice for infrastructure projects that require long-term stability and safety.

Manufacturing process of Anchor

Cold Forming

Cold forming is a preferred manufacturing process for anchor bolts due to its efficiency and material savings:
(1) Cold heading
The process begins with cold heading, where steel wire or rod is cut to length and shaped under high-pressure dies to form the head and body of the anchor bolt.
(2) Thread rolling
After cold heading, thread rolling is used to form the threads on the bolt shaft without removing material, resulting in stronger and more precise threads compared to cutting threads.

Hot Forging

Hot forging is employed for manufacturing high-strength anchor bolts with enhanced mechanical properties:
(1) Heating
Steel billets are heated to high temperatures to improve malleability and reduce forging forces.
(2) Forging
The heated billets are then shaped under high-pressure dies to form the anchor bolts, which undergo plastic deformation to align the grain structure and enhance strength.

Machining and Finishing

After forming, anchor bolts undergo machining and finishing processes to meet specific dimensional and surface requirements:
(1) Machining
This includes operations such as cutting threads, drilling holes, and trimming excess material to achieve precise dimensions and fitment.
(2) Surface treatments
Surface coatings such as hot-dip galvanizing, epoxy coatings, or zinc plating are applied to enhance corrosion resistance and durability, extending the lifespan of anchor bolts in harsh environments.