Products Description

Double-end studs with hot-dip galvanized coating are commonly selected for outdoor steel structures and utility projects where long-term corrosion resistance is required. In our recent supply projects, they have been used in transmission towers, pipe supports and bridge connections exposed to harsh weather conditions.

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Basic Product Information

Product Name: Hot-dip galvanized double-ended studs, hot-dip galvanized double-ended bolts, equal-length double-ended studs
Standards: DIN 938 / DIN 939 / GB/T 901
Strength Grade: Grade 4.8 / Grade 8.8
Material: High-quality carbon steel, Q355B
Surface Treatment: Hot-dip galvanizing
Structure: Threaded at both ends, smooth shank in the middle, fully hot-dip galvanized for corrosion protection

Applications

Hot dip galvanized double end studs are used across a variety of industries and infrastructure projects.

In power transmission and communication towers, they provide durable connections for structures exposed to long-term outdoor conditions.

For steel buildings, bridges, and solar mounting systems, galvanized studs help improve corrosion resistance while maintaining structural integrity.

In industrial piping systems, they are commonly used for flange connections, valve assemblies, and equipment installations where maintenance access is important.

Other applications include:

Wind turbine towers
Highway guardrail systems
Port and marine facilities
Wastewater treatment plants
Outdoor lighting structures
Signage and billboard support systems

Common Size Chart (mm)

Thread Specification	Pitch P	Common Length L
M6	1.0	40–120
M8	1.25	50–150
M10	1.5	60–200
M12	1.75	70–250
M14	2.0	80–250
M16	2.0	90–300
M20	2.5	100–350
M24	3.0	120–400
M30	3.5	150–500
M36	4.0	200–600

Standard Lengths: 50, 60, 70, 80, 90, 100, 120, 150, 160, 180, 200, 250, 300, 350, 400

Product Details

Thread Precision: Strictly complies with DIN 938 / DIN 939 / GB/T 90 standards.
Zinc Coating Process: Hot-dip galvanizing is uniform with no missed areas, bubbles, or peeling. The surface exhibits a uniform silver-gray color with good luster and stable corrosion resistance.
Base Material Processing: Forged in a single piece, free of cracks; the smooth, flat shank ensures even stress distribution and resistance to breakage.
Dimensional Tolerances: Every batch undergoes dimensional inspection; tolerances for thread diameter, length, and lug spacing are strictly controlled to accommodate various installation requirements.

Our Customization Advantages

We manufacture both standard and non-standard double end studs according to customer specifications.

Available customization options include:

Custom diameters and lengths
Special thread dimensions
Material grades
Coating requirements
Project drawings and samples
OEM and bulk production

Our technical team can review project requirements and recommend suitable manufacturing solutions based on application conditions and industry standards.