High Strength 4.8/8.8/10.9/12.9 grade Carbon Steel Hot Dipped Galvanized HDG Carriage Bolt Use for electric tower
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High Strength 4.8/8.8/10.9/12.9 grade Carbon Steel Hot Dipped Galvanized HDG Carriage Bolt Use for electric tower

High quality High Strength 4.8/8.8/10.9/12.9 grade Carbon Steel Hot Dipped Galvanized HDG Carriage Bolt Use for electric tower is offered by China manufacturer Gangtong Zheli. Welcome new and old customers to continue to cooperate with us to create a better future!
DIN603 Hot DIP Galvanized Gr8.8 Carriage Bolt
Sales Models: Wholesale
Min Order: 10000pcs
Sample: Free sample
Certificate: MTC, Test report
Export country: Asia, Middle East, Europe, America and so on
Surface:Hot DIP Galvanized

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Product Description

Find a huge selection of High Strength 4.8/8.8/10.9/12.9 grade Carbon Steel Hot Dipped Galvanized HDG Carriage Bolt Use for electric tower from China at Gangtong Zheli. Provide professional after-sales service and the right price, looking forward to cooperation. 

The carriage bolt is widely used in the trough. The single one does not work. The carriage bolt can move parallel in the trough. It can also play an anti-theft role in the actual connection process.



High Strength 4.8/8.8/10.9/12.9 grade Carbon Steel Hot Dipped Galvanized HDG Carriage Bolt Use for electric tower


Our company specializes in producing DIN603 hot-dip galvanized carriage bolts with a grade of 8.8. These bolts feature a mushroom head and a square neck, consisting of two parts: the head and the bolt. They are intended to be used with nuts to securely fasten two parts with through holes.

We offer a wide range of materials for these fasteners, including stainless steel, carbon steel, and various surface treatments such as galvanized, hot-dip galvanized, Dacromet, nickel plated, among others. Our inventory comprises complete standards, including German standards, national standards, and more.

With years of experience in fastener production and export trade, we prioritize exceptional service quality and top-notch product excellence. Additionally, we cater to customized production based on customer specifications, providing drawings and tailored solutions as per their requirements. We welcome customer inquiries and are dedicated to meeting their fastening needs.



DIN603 Hot DIP Galvanized Gr8.8 Carriage Bolt Mechanical Property:


1:Metric Carriage BOLT:GB/T 3098.1-2010,ISO898.1-2009
CLASS 4.6;4.8 5.8 6.8 8.8 9.8 10.9 12.9
SIZE ALL SIZE ≦M12 >M12 ≦M8 >M8 ALL SIZE
COMMON MATERIALS 1008 ~ 1015 1012 ~1017 10B21 / 1022 10B21 10B33 10B21 10B33 10B33 / SCM435/ML20MnTiB SCM435
ML08AL SWRCH8A~ SWRCH15A SWRCH15A~ SWRCH18A SWRCH22A 35K
35ACR 10B35
AISI 4140
HEAT TREATMENT(YES/NO) NO YES











2:ASME Carriage BOLT:SAE J429
CLASS G1 G2 G5 G5.2 G8 SK

SIZE ALL SIZE ≦3/8 >3/8 ALL SIZE

COMMON MATERIALS 1008 ~ 1015 ML08AL SWRCH8A~ SWRCH15A 1017 C(0.28~0.55) 10B33 or MEDIUM CARBON STEEL C(0.15~0.25) or 10B21 10B33 or SCM435 SCM435








HEAT TREATMENT(YES/NO) NO YES





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