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Home > Products > Metal Bolt > Heavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation Construction

Heavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation Construction

Product Details

Place of Origin: China

Brand Name: JIA SHAN

Certification: ISO 9001

Model Number: Customized

Payment & Shipping Terms

Minimum Order Quantity: 10

Price: 0.01-11

Packaging Details: plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements

Delivery Time: 5-15days

Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability: 100000

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Highlight:

galvanized steel J-bolt anchor

,

M20 concrete foundation bolt

,

hot-dip zinc coated metal bolt

Package Quantity:
100 Pieces
Color:
Customized/Silver/Plain
Material:
Carbon Steel
Thread Pitch:
Customized
Corrosionresistance:
High/Customized
Headtype:
Thumb Metal Screw
Port:
Shenzhen, Guangzhou
Common Uses:
Construction, Automotive, Machinery
Finish:
Nickel Plated
Thread Type:
Mechined Thread
Rust Proof:
Yes
Manufacturer:
Various Manufacturers
Package Quantity:
100 Pieces
Color:
Customized/Silver/Plain
Material:
Carbon Steel
Thread Pitch:
Customized
Corrosionresistance:
High/Customized
Headtype:
Thumb Metal Screw
Port:
Shenzhen, Guangzhou
Common Uses:
Construction, Automotive, Machinery
Finish:
Nickel Plated
Thread Type:
Mechined Thread
Rust Proof:
Yes
Manufacturer:
Various Manufacturers
Heavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation Construction

Heavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation ConstructionHeavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation Construction 0Heavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation Construction 1

 

 

 

1,Description:

A heavy-duty galvanized steel J-bolt anchor bolt featuring an M20 thread diameter, specifically engineered for demanding concrete foundation construction applications. The J-bolt configuration incorporates a distinctive curved hook end that delivers exceptional pull-out resistance and load distribution characteristics, making it particularly suitable for securing heavy machinery, structural steel columns, equipment bases, and industrial frameworks to concrete substrates.

Manufactured from premium-grade carbon steel, this anchor bolt undergoes a rigorous hot-dip galvanizing process that provides a robust zinc coating layer. This protective finish ensures outstanding corrosion resistance against harsh environmental conditions, including moisture exposure, chemical contaminants, and atmospheric oxidation, thereby significantly extending the service life of the fastening system even in outdoor or aggressive industrial settings. The galvanizing treatment complies with international standards for coating thickness and adhesion, guaranteeing consistent performance and reliability across diverse construction scenarios.

The M20 thread specification offers substantial load-bearing capacity, accommodating high-tensile forces and dynamic stresses commonly encountered in heavy construction projects. The threaded portion enables precise adjustment and secure tightening using standard nuts and washers, facilitating straightforward installation while maintaining structural integrity. The J-shaped hook design creates mechanical interlock within the concrete mass, preventing bolt withdrawal under tension loads and enhancing overall stability of the anchored assembly.

Ideal applications include foundation anchoring for manufacturing plants, power generation facilities, telecommunications towers, bridge structures, and large-scale commercial buildings. This anchor bolt serves as a critical component in ensuring structural safety, seismic resistance, and long-term durability of concrete-based installations. Engineers and contractors select this product for its proven performance, compliance with building codes, and cost-effectiveness in permanent anchoring solutions where failure is not an option.

 

2,Applications:

Principles of Hot-Dip Galvanizing
Fundamental Process
Hot-dip galvanizing involves immersing clean steel components into a bath of molten zinc at temperatures typically ranging from 435°C to 465°C. This creates a metallurgical bond between zinc and steel through a series of iron-zinc alloy layers, resulting in a durable protective coating that is integral to the substrate rather than merely surface-adhered.
Metallurgical Bond Formation
Upon immersion, molten zinc reacts with the iron in steel to form distinct alloy layers. The intermetallic compounds—gamma, delta, and zeta layers—grow at the interface through diffusion, creating a gradient from nearly pure steel at the base to nearly pure zinc at the surface. This metallurgical bonding ensures superior adhesion compared to electroplated coatings.
Surface Preparation Requirements
Effective galvanizing demands thorough surface preparation. Steel must be degreased to remove oils, pickled in acid to eliminate mill scale and rust, and fluxed to prevent oxidation before zinc immersion. Proper pretreatment ensures complete wetting by molten zinc and uniform coating formation.

 

3,Technical Advantages

The Importance of Anchor Bolts

Anchor bolts are key components that connect the superstructure to the foundation, bearing the crucial responsibility of transferring various loads. Whether in towering buildings, large-scale industrial equipment or major bridge structures, the proper design of anchor bolts is fundamental to ensuring their safe and reliable operation. A single small anchor bolt can determine the success or failure of an entire project.

Material selection

Anchor bolts are usually made of highstrength steel
It is made to ensure that it has sufficient tensile strength and shear strength. Common materials include Q235
Such as Q345, etc.
In special environments, such as places with strong corrosiveness, it is also necessary to select steel with good corrosion resistance or take corresponding anti-corrosion measures.
The diameter and length are determined
The diameter of anchor bolts should be determined based on factors such as the magnitude of the load they bear, the type of foundation, and the connection method. Generally speaking, the greater the load, the larger the diameter should be accordingly.

 

Packaging Options

Available in small packing, carton packing, or pallet configurations to meet your shipping and storage requirements.

Heavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation Construction 2

Manufacturer Information

Manufactured by JIA SHAN Hardware Company with strict quality control measures and pre-shipment inspection.

Heavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation Construction 3 Heavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation Construction 4 Heavy Duty Galvanized Steel J-Bolt Anchor Metal Bolt M20 with Hot-Dip Zinc Coating for Concrete Foundation Construction 5