HEX Bolt HEX Bolt

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Description

Item:Heavy hex structural bolts A490,A490M
Material:Alloy Steel
Grade:Grade8, Grade 10.9
Coating:Black Oxide
MOQ: No requirement if stock available
Packing:Bag/Carton/Wood box/Bulk

Material and Strength
Manufacturing materials primarily fall into two categories:

Carbon Steel: Graded according to performance requirements, with common grades including 8.8 and 10.9. These numbers denote tensile strength and the ratio of yield strength to ultimate tensile strength; higher values indicate greater bolt strength and load-bearing capacity.

Stainless Steel: Primarily A2 (304 stainless steel) and A4 (316 stainless steel), where the subsequent number (e.g., "70") indicates tensile strength. Stainless steel provides superior corrosion resistance.

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