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Hot-Dip Galvanized Hex Bolts

The hot-dip galvanized hex bolt is a common fastening component used for connecting various engineering and construction structures. With its hexagonal head design, it can be easily installed and removed using a standard hex wrench. This bolt is widely used in mechanical, construction, and infrastructure projects. The hot-dip galvanized coating provides excellent corrosion resistance, making it suitable for use in humid or corrosive environments. The coating not only protects the bolt from rust but also enhances its durability and long-term stability.

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Product Photos and Information

Key Features

Hot-Dip Galvanized Coating: Provides superior corrosion resistance and extends the bolt's lifespan

Hex Head Design: Facilitates easy installation and removal with a hex wrench

High Strength: Ensures strong connections and reliable load-bearing capacity

Multiple Sizes Available: Various lengths and diameters to meet different application needs

Durability: Galvanized coating enhances durability, suitable for various harsh environments

Specifications Table

Parameter	Description
Material	Carbon Steel
Surface Finish	Hot-Dip Galvanized
Sizes	M6-M36 (or customized as per request)
Length	20mm-300mm (or customized as per request)
Tensile Strength	≥ 500MPa
Zinc Coating Thickness	≥ 50μm
Application Environment	Indoor, Outdoor (especially humid or corrosive environments)
Applications	Construction, Machinery, Infrastructure, Heavy Equipment Fastening

Applications

Construction，Machinery，Infrastructure，Heavy Equipment Fastening

Product Standards

Bolt Diameter	d	s			e		k
	Body Diameter	Width Across Flats			Width Across Corners		Height
	Max	Basic	Max	Min	Max	Min	Basic	Max	Min
¹⁄₂	0.515	³⁄₄	0.750	0.725	0.866	0.826	¹¹⁄₃₂	0.364	0.302
⁵⁄₈	0.642	¹⁵⁄₁₆	0.938	0.906	1.083	1.033	²⁷⁄₆₄	0.444	0.378
³⁄₄	0.768	1¹⁄₈	1.125	1.088	1.299	1.240	¹⁄₂	0.524	0.455
⁷⁄₈	0.895	1⁵⁄₁₆	1.312	1.269	1.516	1.447	³⁷⁄₆₄	0.604	0.531
1	1.022	1¹⁄₂	1.500	1.450	1.732	1.653	⁴³⁄₆₄	0.700	0.591
1¹⁄₈	1.149	1¹¹⁄₁₆	1.688	1.631	1.949	1.859	³⁄₄	0.780	0.658
1¹⁄₄	1.277	1⁷⁄₈	1.875	1.812	2.165	2.066	²⁷⁄₃₂	0.876	0.749
1³⁄₈	1.404	2¹⁄₁₆	2.062	1.994	2.382	2.273	²⁹⁄₃₂	0.940	0.810
1¹⁄₂	1.531	2¹⁄₄	2.250	2.175	2.598	2.480	1	1.036	0.902
1⁵⁄₈	1.658	2⁷⁄₁₆	2.438	2.356	2.815	2.616	1³⁄₃₂	1.116	0.978
1³⁄₄	1.785	2-5/8	2.625	2.538	3.031	2.893	1⁵⁄₃₂	1.196	1.054
1⁷⁄₈	1.912	2¹³⁄₁₆	2.812	2.719	3.248	3.099	1¹⁄₄	1.276	1.130
2	2.039	3	3.000	2.900	3.464	3.306	1¹¹⁄₃₂	1.388	1.175
2¹⁄₄	2.305	3³⁄₈	3.375	3.262	3.897	3.719	1¹⁄₂	1.548	1.327
2¹⁄₂	2.559	3³⁄₄	3.750	3.625	4.330	4.133	1²¹⁄₃₂	1.708	1.479
Dimensions per ASME B18.2.1

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