Galvanized A307 M33 M36 Grade 8.8 10.9 12.9 DIN933 DIN931 ASTM A193 ASTM A325 A325M A490 A490 Heavy Duty Hex Bolt

A325 Heavy Hex Structural Bolts

A490 Heavy Hex Structural Bolts

A325M Heavy Hex Structural Bolts

A490M Heavy Hex Structural Bolts

Structural bolts are high strength & heavy duty structural bolts that used in steel structures or steel to steel connections in construction structural frame such as space frame, steel structure, tunnel and bridge, railway, oil and gas, as well as wind energy industry.

The most common seen structural bolts using are ASTM A193, A325 and A490, A307 and they usually work with structural nuts ASTM A563 and washers F436.

If you are looking for structural bolt suppliers or heavy hex bolt suppliers, please feel free to ask us, we would be happy to support with our expertise.

• We are based on the mid-to-high-end market, our products meet international standards, and are mainly sold to Europe, America, the Middle East, Japan, South Korea;
• We can supply all kinds of fasteners, in line with national standards, Ministry of Chemical Industry standards, American ASTM standards;
• We have a strong R&D team, and we can develop and produce products according to the drawings or samples provided by customers;
• Register certification EN 15048-1:2007, ISO 9001:2015, GB/T 19001-2016, EN 14399-1:2015, PED, AD2000,..., can meet the needs of customers in many fields;
• All the raw materials for the production of bolts are inspected in the factory and have a traceability number record tracking;
• After the finished product comes out, it must pass the inspection of the equipment before it can be shipped.

• Normally the goods will be packed in 275mm*250mm*175mm carton (20KG/CTN, 36CTNS/PLT).
• Normally Pallet Size 1100mm*800mm*850mm, the total weight of each pallet is 800-1000kg.
• According to the demand of the customers available.