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Hot-Dip Galvanized Full Thread Carriage Bolts

The Hot Dip Galvanized Full Thread Carriage Bolt is a high-performance fastener engineered for heavy-duty fastening needs across diverse industries.
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Product Overview

Crafted with precision, this bolt features a full-thread design that maximizes grip and stability, while its hot dip galvanized coating delivers exceptional corrosion resistance, making it ideal for outdoor, humid, or corrosive environments. Unlike standard carriage bolts, the full-thread structure ensures uniform load distribution, reducing the risk of loosening under high pressure or vibration. As a core product of YPH Fasteners, this carriage bolt adheres to strict quality standards, balancing durability and cost-effectiveness to meet the demands of construction, infrastructure, and outdoor equipment projects. Its unique design and robust surface treatment make it a top choice for professionals seeking reliable, long-lasting fastening solutions.


Hot-Dip Galvanized Full Thread Carriage Bolts


Technical Specifications

Specification Category

Details

Product Name

Hot Dip Galvanized Full Thread Carriage Bolt

Thread Type

Full thread, uniform pitch

Surface Treatment

Hot dip galvanizing, coating thickness ≥ 85μm

Material

Carbon steel (Q235, 45#) / Stainless steel optional

Size Range

M6 - M24, length customizable (20mm - 300mm)

Standards Compliance

ISO 8677, DIN 603 (adjustable per customer requirements)

Tensile Strength

≥ 4.8 grade, up to 8.8 grade for high-strength needs

Corrosion Resistance

Passes 500+ hours salt spray test without red rust


Key Advantages

Superior Corrosion Resistance

The hot dip galvanizing process creates a thick, metallurgically bonded zinc layer on the bolt surface. This layer acts as a sacrificial anode, protecting the underlying steel from rust and corrosion even in harsh outdoor conditions such as coastal areas, industrial zones, or wet soil.


Full-Thread Design for Enhanced Stability

The full-thread structure covers the entire shank of the bolt, providing 360° thread engagement with nuts. This design significantly boosts fastening strength and prevents slippage, making it suitable for heavy-load applications that require long-term stability.


Cost-Effective & Easy to Install

This carriage bolt is compatible with standard nuts and washers, eliminating the need for specialized installation tools. Its high durability reduces maintenance and replacement costs over the product lifecycle, offering excellent value for money.


Application Scenarios

Construction & Infrastructure Projects

It is widely used for fastening steel structures, guardrails, and bridge components. The corrosion resistance ensures the structural integrity of projects exposed to outdoor weather all year round.


Outdoor Equipment & Agricultural Machinery

The bolt secures frames of greenhouse structures, farm equipment, and outdoor playground facilities. It withstands constant exposure to rain, sunlight, and temperature fluctuations without degrading.


Transportation & Utility Systems

It is applied in the installation of highway signposts, street lamp poles, and communication tower brackets. The full-thread design can bear the dynamic load caused by wind and vehicle vibration.


Usage Guidelines & Purchase Information

Usage Guidelines

Ensure the bolt size matches the application requirements; do not exceed the rated tensile strength to avoid bolt breakage.

Clean the mounting surface before installation to remove dust, rust, or debris that may affect fastening tightness.

For extreme corrosive environments, additional anti-corrosion measures such as applying anti-rust paint can be taken after installation.


Purchase Information

Availability: In stock for standard sizes; custom sizes are available with minimum order quantity requirements.

Purchase Channels: Click “Inquire” to contact our sales team for quotes, or “Add to Basket” for direct online orders of standard products.

Shipping & Delivery: Fast delivery for bulk orders; global shipping is supported with tracking services provided.


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 Room1305, Building A, No.1 West Zhenning RD, Zhenhai District, Ningbo, 315200, China
+86-13780056093 / +86-574-86662856
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