Hunan Jia Shan Hardware Tech Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 100000 |
| Delivery Time | 5-15days |
| Packaging Details | plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements |
| Package Quantity | 100 pieces |
| Color | Customized/Silver/Plain |
| Material | Carbon steel |
| Thread Pitch | Customized |
| Corrosionresistance | High/Customized |
| Headtype | L hook Metal Screw |
| Port | Shenzhen, Guangzhou |
| Common Uses | Construction, automotive, machinery |
| Finish | Black/Zinc plated |
| Thread Type | Mechined Thread |
| Rust Proof | Yes |
| Manufacturer | Various manufacturers |
| Brand Name | JIA SHAN |
| Model Number | Customized |
| Certification | ISO 9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 100000 |
| Delivery Time | 5-15days | Packaging Details | plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements |
| Package Quantity | 100 pieces | Color | Customized/Silver/Plain |
| Material | Carbon steel | Thread Pitch | Customized |
| Corrosionresistance | High/Customized | Headtype | L hook Metal Screw |
| Port | Shenzhen, Guangzhou | Common Uses | Construction, automotive, machinery |
| Finish | Black/Zinc plated | Thread Type | Mechined Thread |
| Rust Proof | Yes | Manufacturer | Various manufacturers |
| Brand Name | JIA SHAN | Model Number | Customized |
| Certification | ISO 9001 | Place of Origin | China |
| High Light | Hot-Dip Galvanized J-Type Anchor Bolt ，M30 metal bolt with zinc-flake coating ，Heavy equipment foundation fixing bolt | ||
Hot-Dip Galvanized J-Type Anchor metal Bolt M30 with Zinc-Flake Coating for Heavy Equipment Foundation Fixing
1,Description:
Bolts serve as fundamental fastening elements in the construction industry, performing critical functions that ensure structural integrity, safety, and durability across diverse building applications. Their primary role involves connecting structural members such as steel beams, columns, trusses, and concrete elements, effectively transferring loads and forces throughout the building framework. In steel construction, bolts create rigid or semi-rigid joints that resist shear forces, tension loads, and bending moments, enabling the structural system to behave as a unified entity under various loading conditions including gravity, wind, seismic activity, and live loads.
Beyond structural connections, bolts fulfill essential functions in non-structural applications including facade attachment, equipment mounting, railing installation, and temporary bracing during construction phases. Foundation bolts, such as J-bolts and L-bolts, anchor structural columns and heavy machinery to concrete bases, preventing uplift and lateral displacement. Anchor bolts embedded in concrete transfer overturning moments and tensile forces from superstructures into foundation elements, ensuring overall building stability.
2,Applications:
A hook bolt is a specialized fastener characterized by its curved, hook-shaped end, designed primarily for securing objects to structural members or creating temporary or permanent anchor points where conventional straight bolts cannot provide adequate retention. In construction and industrial applications, the hook configuration serves several distinct functional purposes that address specific installation challenges and load transfer requirements.
The primary function of a hook bolt involves creating a mechanical interlock with the supporting structure. Unlike standard bolts that rely entirely on clamping force and friction, the hooked end engages physically with the edge of a beam flange, the rung of a ladder, or an embedded anchor point, preventing disengagement under tension loads. This interlocking mechanism proves particularly valuable in applications where vibration, dynamic loading, or accidental impact might cause conventional fasteners to loosen or withdraw completely.
In concrete construction, hook bolts frequently serve as embedded anchors cast into wet concrete or grouted into pre-drilled holes. The curved end distributes tensile forces throughout the concrete mass rather than concentrating stress at a single point, significantly enhancing pull-out resistance. When subjected to uplift forces from wind, equipment operation, or structural overturning moments, the hook shape develops bearing pressure against the concrete surrounding the bend, mobilizing a larger volume of material to resist extraction. This behavior makes hook bolts especially effective for anchoring structural steel columns, machinery bases, and equipment supports where tension and shear forces act simultaneously.
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.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2007
Total Annual:
15000000-20000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ... Hunan Jiashan Hardware Tech as a branch company of J AND R METALWORK,established in 2007 and located in Changsha, Hunan, China.After almost 17 years management development and technical improvement, Jiashan is willing to be a leading supplier in hardware industry. Meanwhile, we are one of member of ...
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