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5/16 Black Carriage Bolt
The 5/16 Black Carriage Bolt produced by Gangtong Zheli combines stable quality, professional manufacturing, and reliable after-sales support. Our 5/16 black carriage bolts are manufactured in strict accordance with both DIN 603 (German standard) and GB/T 14 (Chinese national standard), using high-quality carbon steel base material and a professional black surface treatment process.
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1/2 x 8 Carriage Bolt
Gangtong Zheli welcomes global buyers to cooperate with our China factory for 1/2 x 8 Carriage Bolt.Our 1/2 x 8 carriage bolts are manufactured in strict accordance with the ANSI B18.5 American standard. Their dimensional accuracy and performance stability have been proven through extensive market testing, providing reliable assurance for the structural safety of various engineering projects.
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M30 Hex Bolt
Gangtong Zheli is a famous m30 hex bolt manufacturer and supplier in China. If you want to buy high-quality and the newest products, please contact us immediately. M30 Hex Bolt strictly adheres to international and national standards such as ISO 4014, DIN 931, and GB/T 5782, offering various strength grades including 8.8, 10.9, and 12.9. It supports full-thread, half-thread, and flanged head configurations, adapting to different connection thicknesses and working conditions, making it a reliable "industrial joint" for large-scale engineering projects.
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Flat Head Hex Bolt
The flat head hex bolt in stock are cheap and of high quality. You can wholesale it at the right price from Gangtong Zheli, which is a leading manufacturer and supplier from China. Flat Head Hex Bolt strictly adheres to international and national standards such as ISO 10642, DIN 7991, and GB/T 5786. Manufactured from high-quality carbon steel, alloy steel, or stainless steel, it offers a variety of thread sizes (e.g., M3-M20), lengths (10mm-200mm), and surface treatment options to meet installation requirements under different working conditions.
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M20 High Tensile Bolts
m20 high tensile bolts manufacturer and supplier in China, as a factory, we can make customized products with CE for wholesalers. Contact us to get a quotation. The Gangtong Zheli m20 high tensile bolts are available in various strength grades, including 8.8, 10.9, and 12.9, and support different structural forms such as hexagonal head, flanged, and fully threaded, meeting the assembly requirements of various engineering applications.
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Self-Tapping Hex Bolts
The self tapping hex bolts is produced by the Gangtong Zheli Factory. As the manufacturer and supplier in China, we have provided it in high quality to wholesalers all over the world. Self-Tapping Hex Bolts series is designed and manufactured in strict accordance with international and national standards such as ISO 1479, DIN 7504, and GB/T 845-846, ensuring stable and reliable thread accuracy, self-tapping performance, and connection strength. It meets the multiple demands of industrial applications for efficiency, strength, and durability.
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