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 | Plain or customized |
| 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 | Plain or customized | 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 | Carbon Steel J-Bolt with Dacromet Coating ，M24 Hook Bolt for Marine Equipment ，Outdoor Construction Metal Bolt | ||
Carbon Steel Hook Bolt J-Bolt M24 with Dacromet Coating for Outdoor Construction and Marine Equipment
1,Description:
General Provisions and Dimension Verification for Anchor Bolts
Article 1: There are generally two methods for embedding anchor bolts in concrete foundations: pre-embedding and the method of embedding via secondary grouting into pre-drilled holes.
Article 2 The method of embedding anchor bolts directly into the foundation is applicable to towers, tall vessels, spherical tanks and machinery subject to significant vibration.
Article 3 When embedding anchor bolts directly, the distance a between the centreline of the anchor bolt and the edge of the foundation shall be ≥100 mm, as shown in the figure below. Where this cannot be met, the civil engineering discipline must be consulted to reinforce the foundation reinforcement.
Clause 4: Reserve holes for anchor bolts; after inserting the anchor bolts, secure them by grouting.
This method is suitable for stationary equipment such as horizontal vessels, heat exchangers and small vertical vessels, as well as machinery and pumps that generate minimal vibration. Its advantage is that it facilitates the adjustment of anchor bolt positioning dimensions without the need for positioning templates.
Clause 5: The dimensions of the reserved holes must meet the requirements of both civil engineering works and equipment installation. See the diagram below.
The minimum dimensions of the reserved holes (A × A) shall be 100 × 100 (mm).
The distance from the bolt flange to the hole wall (e) shall be ≥20 mm, and the distance from the hole wall to the edge of the foundation (b) shall be ≥100 mm. Where b cannot meet the 100 mm requirement, the bolts may be embedded, or the structural engineering department may be consulted to reinforce the foundation reinforcement.
The distance from the bolt flange to the bottom of the hole (B) shall be 80 mm.
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.
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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