• Application：Machinery, Chemical Industry, Environmental, Building
• Finish：Zinc Plated & Black
• Transport Package：Small Box & Bulk
• Specification：M6-M20
• Trademark：STRONG BOLT
• Origin：Ningbo, China
• HS Code：7318159001
• Production Capacity：2500tons,Year

Basic Info.

Application Machinery, Chemical Industry, Environmental, Building Finish Zinc Plated & Black Transport Package Small Box & Bulk Specification M6-M20 Trademark STRONG BOLT Origin Ningbo, China HS Code 7318159001 Production Capacity 2500tons/Year

Product Description

• ASME B 18.5  Round Head Sqare Neck Bolts

Item	DIN603 Carriage Bolt  Gr.4.8 Zinc Plated Cr3+
Grade	4.8 & 5.8 & 6.8 & 8.8
Material	Carbon Steel ,Alloy Steel,Stainless Steel and Copper
Surface Treatment	Black, Zinc Plated(ZP), Yellow Zinc Plated (YZP)and Hot DIP Galvanizing(H. D. G. ), Dacromet, Nickel Plated, Brass Plated.

• Carton size : The ordinary carton  (27*25*14.5CM) ,  or according to the demand of the customers.
• Packing :  plastic bags,Box, carton , then put on pallets, or according to the demand of the customers.



• We are a typical China supplier with more than 10 years experiences on fasteners.We are professionally exporting under the standards of DIN, JIS, GB, ANSI, and BS, as well as nonstandard fasteners. Now we have gained close cooperation with clients from Canada, Dubai, Europe, India,Chile,Peru and Russia, and won good comments from users. We always fulfilling customers' expectations by following the principle of "Providing services whenever and wherever our customers need it" to establish a steady beneficial relationship and wining customers' hearts. If you need more information, please contact our sales department.

Carriage bolt products of our company after various processing, its tensile strength, high surface hardness, good mechanical properties. The surface treatment is recommended to use surface galvanized or stainless steel materials, the use of high-tech environmental protection technology, at the same time, the use of self-developed new technology and new technology to constantly reduce the production cost of products, in the quality and price have obvious advantages and competitiveness!