As a professional Chinese manufacturer, we specialize in producing high-quality screws and bolts that meet international standards. Our product catalog covers 14 core types, with specifications ranging from M2 to M20, and materials including stainless steel, titanium alloy (TC4), brass, and carbon steel. Every product adheres to strict DIN, BS EN ISO, and ISO standards, ensuring reliability and compatibility for various application scenarios.

Our key product range includes:

• DIN Standard Stainless Steel Flat Head T-bolt, Hammer Head Bolt, Half Thread Machine Long T-bolt
• High-quality Phillips Stainless Steel Machine Thread Screws, Sealing Bolts
• Sealing Stainless Steel Button Head Self-Tapping Screws, Zinc Yellow Plated Round Head Fin Neck Silo Bolts
• M2-M20 Half Machine Thread External Hexagon Head Screw, Cap Head Six-lob Recess Machine Thread Bolt with Blue Patch
• TC4 Titanium Hex Hardware Group Screw, Titanium Alloy Set Screw (Mountain Bike Spare Part)
• Cold Heading Copper M6 Brass Captive Bolts (For Ship/Boat)
• Carbon Steel Precise Micro Screw, Phillips Green Color Pan Head Burnt Bolts
• DIN7991/ISO 10642 Hexagon Socket Flat Head Screw Bolts, Grade 8.8 BS EN ISO 4014 Hex Bolt DIN7991/ISO 10642

Core Advantages

1. Comprehensive Material & Specification Coverage：We offer multi-material options (stainless steel, titanium alloy, brass, carbon steel) and a wide specification range (M2-M20, 2mm-15mm), meeting the diverse needs of different industries.
2. International Standard Compliance：All products strictly follow DIN, BS EN ISO, and ISO standards (e.g., DIN7991, ISO 10642, BS EN ISO 4014), ensuring interchangeability and compatibility with global equipment.
3. Precision Manufacturing & High Quality ：Adopting cold heading technology and precision processing, our screws and bolts feature stable performance, strong load-bearing capacity, and corrosion resistance (especially stainless steel and titanium alloy products).
4. Factory Direct Supply ：As the source manufacturer, we eliminate intermediate links to provide competitive prices while ensuring fast delivery and flexible customization services for special requirements.

Application Scenarios

Our screws and bolts are widely used in various fields due to their reliable quality and standardized design:

• Marine Industry: Cold heading copper brass captive bolts for ships/boats, corrosion-resistant and suitable for harsh marine environments.
• Cycling Equipment: Titanium alloy set screws as mountain bike spare parts, lightweight and high-strength.
• Industrial Machinery: External hexagon head screws, hex socket flat head bolts for general industrial equipment assembly.
• Storage & Silo Systems: Zinc yellow plated round head fin neck silo bolts, ensuring sealing and stability.
• Precision Instruments: Carbon steel precise micro screws for small-scale equipment and instruments.

Quality Assurance

We prioritize product quality and implement strict quality control throughout the production process:

• Raw Material Inspection: Select high-quality stainless steel, titanium alloy, brass, and carbon steel to ensure the base material meets standards.
• Precision Processing: Adopt advanced cold heading and threading technology to ensure dimensional accuracy and consistent performance.
• Finished Product Testing: Conduct load-bearing, corrosion resistance, and torque tests to ensure each product meets international standards.
• Compliance Certification: All products comply with DIN, BS EN ISO, and ISO requirements, with complete certification documents available.

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If you are looking for reliable screws and bolts with international standards, competitive prices, and customized services, please contact us. We will provide you with professional solutions tailored to your needs!

Dongguan Ganggu Hardware Product Co.,Ltd

Finefix Hardware (Vietnam) Limited

Mob/Whatsapp/Wechat:  +86(0)18602085825

china:  angel@ganggus.com       Web: www.gangguscrew.com   www.ggscrew.com

 Vietnam:eric@ganggus.com       https://finefix.vn       https://finefixvn.trustpass.alibaba.com

China Add: NO.101 Jianjia industrial park,NO.2 Jintang Road,Changping 

                    Town, Dongguan City, Guangdong CN.   Zip code:523579

Vietnam Add: plot C_6a_CN,My Phuoc 3 INDUSTRIAL PARK,Thoi hoa Ward,

                           Ben Cat Town,Binh Duong Province ,Viet Nam