Hex Bolt Manufacturer, Hex Bolt Grade 5, Hex Bolt Grade 8 manufacturer

Hex bolt grade 8 is an ideal solution for professionals in construction, automotive, mining, oil & gas projects require heavy duty fasteners and where reliable fasteners are very critical, for its high strength, durability, versatility, safty and cost effective with low costs of maintainance.

Ningbo Fastenwell, as a one of the most professsional hex bolt manufacturer in China, especially heavy hex bolts manufacturer for high strength hex bolts, say hex bolt grade 5, hex bolt grade 8, hex bolt grade 8.8, hex bolt A325, hex bolt A490 etc. If you are looking for fastening solutions for construction and industrial projects, please feel free to check with our sales representatives.

What is Hex Bolt Grade 8?

Hex bolt grade 8 is a type of threaded fastener that is made from high strength carbon & alloy steel and has a hexagonal head with threads for tightening. It is called grade 8 due to its superior strength, say hex bolt grade 8 bolts have extremely high tensile strength of 150,000 psi.

Why use hex bolt grade 8?

High strength. Grade 8 hex bolt have a minimum tensile strength of 150,000 psi and a minimum yield strength of 130,000 psi. This makes them stronger than most other bolts and allows them to withstand extreme stress and pressure. This makes them suitable for use in applications where high loads or forces are present.

What is the difference between Grade 5 and Grade 8 hex bolts?

Grade 8 hex bolts are stronger and harder than grade 5 hex bolts. This makes them ideal for construction and industrial applications require high strength and tensile, for example, automotive, machinery, oil & gas, mining etc.

How do you identify a Grade 8 bolt?

For grade 8 hex bolt, there will be 6 radial lines together with manufacturer’s head mark on the bolts head, while for metric hex bolts, which will be more easy to identify because there will be directly marked grade 4.8, 8.8, 10.9 and 12.9 on the bolts head.

Are Grade 8 bolts high tensile?

Yes, grade 8 bolts are high tensile high strength hex bolts. Some also call them structural grade bolts. Grade 8 hex bolts are strong, durable and reliable solutions for construction projects in worldwide market.

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