Precision Fasteners for Industrial Excellence
Manufactured by Hunan Bygold Technology Co., Ltd — ISO9001:2000 certified leader in high-strength alloy steel fasteners meeting DIN, ANSI, ISO, and GB standards.
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Manufactured by Hunan Bygold Technology Co., Ltd — ISO9001:2000 certified leader in high-strength alloy steel fasteners meeting DIN, ANSI, ISO, and GB standards.
We are Bygold — a trusted manufacturer focused on the development, production, and marketing of premium fasteners that meet international standards including DIN, ANSI, ISO, and GB.
Our management and quality systems are certified under ISO9001:2000, and we provide 3.1 certification for materials. As one of China's leading manufacturers of Class 12.9 bolts, we deliver unmatched strength and reliability.
BYGOLD screws cover a wide range of products, including alloy steel hex socket head cap screws, hexagon bolts, button head screws, flat head screws, SUS hex socket set screws, shoulder screws, and combination screws. Through precision manufacturing and accurate control of hex socket dimensions, we ensure uniform metal flow and superior structural integrity.
Decades of expertise, cutting-edge technology, and uncompromising quality.
Our QC team exceeds industrial standards, ensuring every fastener meets strict dimensional and strength requirements.
State-of-the-art factory workshop with advanced forging and threading technology for high-volume precision output.
Staffed with experienced engineers dedicated to innovation, material science, and custom fastener solutions.
Decades of experience in product design ensures optimal performance, durability, and compatibility across industries.
High-performance fasteners engineered for critical applications.
High-strength alloy steel with fine thread for precision applications.
Stainless steel variant meeting BS2470 standards for corrosion resistance.
Class 12.9 alloy steel bolt compliant with DIN912 specifications.
Fully threaded design for maximum engagement and load distribution.
Standard hex nut manufactured to DIN934 specifications.
Flat head design for flush mounting with high shear strength.
Low-profile rounded head ideal for aesthetic and functional applications.
Fully threaded with no head, designed to secure components internally.
Precision-machined shoulder for pivot points and alignment.
Multi-functional design with combined drive types for versatility.
Specialized fastening solutions for mechanical assemblies and joints.
Torx drive flat head screw for high-torque applications.
For inquiries, quotes, or technical support, visit the official website to contact Hunan Bygold Technology Co., Ltd.
Phone: 86-0730-2500301
Email: info@f1fastener.com
Address: Jinlong New District, Xiangyin, Hunan China
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