Hunan Jia Shan Hardware Tech Co., Ltd.
admin@jshardwaretech.com
86-0731 -82919092
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
|
Package Quantity:
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100 Pieces
|
Color:
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Customized/Silver/Plain
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Material:
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Carbon Steel
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Thread Pitch:
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Customized
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Corrosionresistance:
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High/Customized
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Headtype:
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L Type Metal Screw
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Port:
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Shenzhen, Guangzhou
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Common Uses:
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Construction, Automotive, Machinery
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Finish:
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Plain Or Customized
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Thread Type:
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Mechined Thread
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Rust Proof:
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Yes
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Manufacturer:
|
Various Manufacturers
|
|
Package Quantity:
|
100 Pieces
|
|
Color:
|
Customized/Silver/Plain
|
|
Material:
|
Carbon Steel
|
|
Thread Pitch:
|
Customized
|
|
Corrosionresistance:
|
High/Customized
|
|
Headtype:
|
L Type Metal Screw
|
|
Port:
|
Shenzhen, Guangzhou
|
|
Common Uses:
|
Construction, Automotive, Machinery
|
|
Finish:
|
Plain Or Customized
|
|
Thread Type:
|
Mechined Thread
|
|
Rust Proof:
|
Yes
|
|
Manufacturer:
|
Various Manufacturers
|
Stainless Steel L-Type Foundation Bolt M16 with Passivation Coating for Structural Engineering Applications
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
Spacing and Arrangement
The spacing of anchor bolts should be arranged appropriately in accordance with the structural load characteristics and installation requirements. Generally speaking, the spacing should not be too large or too small, in order to ensure the structural integrity and stability.
When arranging the bolts, consideration should also be given to the distance between the bolts and the edge of the foundation to avoid edge effects that could compromise the anchoring performance.
Anchoring Methods
There are various methods for anchoring anchor bolts, the most common being direct embedding, pre-drilled hole installation and anchor plate installation. Different anchoring methods are suitable for different engineering situations and must be selected according to specific requirements.
Direct-embedded anchor bolts are simple to install but offer little scope for adjustment; pre-drilled hole bolts allow for adjustment during installation but are relatively complex to install; anchor plate bolts are suitable for large-diameter bolts and situations involving significant tensile forces.
Tightening Requirements
Anchor bolts must be tightened after installation to ensure a secure and reliable connection between the foundation and the superstructure. The tightening force must be controlled in accordance with design requirements, and a torque wrench is generally used for this purpose.
During the tightening process, care must be taken to apply torque symmetrically and evenly to prevent the bolts from becoming loose or overtightened.
Available in small packing, carton packing, or pallet configurations to meet your shipping and storage requirements.
Manufactured by JIA SHAN Hardware Company with strict quality control measures and pre-shipment inspection.
