
Jinjiang Tagong Hardware Forging Manufacturer Co. LTD
Proudly specializing in the production of exceptionally crafted fasteners since 1985, serving our clientele with unmatched dedication for an impressive period of over 39 years.
Standard (GB / DIN / ISO / UNI / JIS / GOST / ANSI / ASTM ); And Unique non-standard options meticulously crafted according to your detailed drawings, ensuring precision and perfection in every piece.

In the dynamic realm of renewable energy, the wind power industry plays a pivotal role. Central to this are wind power nuts, essential connectors in wind power generation equipment. These nuts work in tandem with specialized wind power bolts. The reliability and precision in preload measurement of these installations are crucial for the secure and efficient functioning of wind turbines. Delving into material specifics, carbon steel bolts emerge as the predominant choice. Ideal for general load and temperature scenarios, these bolts are categorized into grades 8, 10, and 12, each offering distinct attributes.
1. High Strength: In the challenging environments of towering wind turbines and their massive towers, high-strength nuts are indispensable. Designed to endure formidable heights and the relentless wind forces, these nuts provide exceptional strength. Their robust nature allows them to withstand significant tensile and shear forces, ensuring the turbines operate safely. Additionally, by utilizing high-strength bolts, the number of connection points is minimized, streamlining construction processes and boosting overall efficiency.
2. High Precision: The demand for precision in nut manufacturing is paramount. This ensures each component fits perfectly when installed, minimizing any potential safety risks from looseness or misalignment. Such meticulous manufacturing guarantees secure and flawless connections.
3. Anti-Fatigue: Subjected to intense wind conditions and the weight of both turbine and tower, these connectors must resist fatigue fractures. High-strength nuts achieve this through advanced heat treatment processes and defect-free technology, significantly enhancing fatigue resistance. This innovation is key to maintaining the continuous and safe operation of wind turbines.
4. Corrosion Resistance: Operating in harsh marine environments, wind turbines and towers are exposed to severe corrosion and oxidation threats. Traditional connectors may succumb to these conditions, but high-strength bolts, crafted from premium high-strength steel and coated with special anti-corrosion layers, offer superior protection. These materials effectively counteract seawater's corrosive effects, significantly extending the lifespan of these crucial connectors.
Material and surface treatment options can be customized as follows:
Mechnical Property |
Material |
Surface Treatment |
Class 4 / 6 / 8/ 10 /12 |
C45
40Cr
35CrMo
42CrMo
304
316
35K...... |
♦Yellow Zinc
♦Zinc Plated
♦Black Oxide
♦Phosphate
♦Dacromet
♦Geomet |
Packaging Method: Our premium 40cr Wind Power Bolt with Washer for Enhanced Stability and Strength is securely packed to ensure maximum protection. We offer robust packaging in 25kg cartons, accommodating a weight range from 1.5 to 2.5 tons per pallet. This can be tailored to meet the unique specifications and demands of each buyer, guaranteeing safety and flexibility during transportation.
For more detailed information and any inquiries, please do not hesitate to contact us. Our dedicated team is ready to assist you with personalized support and expert advice tailored to your needs.
P.S.: To ensure complete accuracy and satisfaction, we kindly ask you to reach out to us for an updated quote on the exact price prior to placing your order. This is due to the fluctuating nature of material costs, and your diligence will ensure a smooth and transparent purchasing experience.
WHOWE ARE
With over an expansive9 years of unrivaled expertise, Tagong stands as a distinguished leader in the realm of fasteners manufacturing, both standard and customized. We have mastered the art of crafting a wide array of nuts, both standard and non-standard, achieving a remarkable annual output of 30,000 tons and generating over 200 million in sales.
Our extensive facility sprawls across 60,000 square meters and houses 35 cutting-edge hot-forging machines alongside 300 advanced machining devices. We take pride in our team of approximately 200 devoted professionals.
For over three decades, our relentless dedication and perseverance have been the cornerstone of developing an advanced forging and precision machining production system. This system features a multitude of state-of-the-art production and inspection equipment, including CNC, mesh belt furnace production lines, and fully automated forging equipment.
Our steadfast commitment to excellence has elevated us to a prominent global supplier status. We have earned ISO9001 quality management certification and have successfully passed stringent SGS testing. Our exceptional products are highly regarded by discerning customers domestically, as well as in Europe, North America, and South Asia.
Development History
Production Workshop
1. Q: What about MOQ?
A: It depends on the size of the products.
2. Q: What are your advantageous products?
A: All kinds of standard and customized fasteners.
3. Q: How many staff are in your company?
A: About 200 staff in our factory.
4,Q: What about your annual production capacity?
A :About 30000 tons per year.
5,Q :Do you have an ISO 9001 certificate?
A: Yes, we do.
6, Q: Can you provide the CBAM report?
A: Yes, of course