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Expanded Coil Coil Inserts
Expanded Coil Coil Inserts

Expanded Coil Coil Inserts

Description:

Expanded Coil Coil Inserts are engineered embedded fastening components designed to provide reliable threaded connections and effective load transfer within precast and cast-in-place concrete structures. Featuring an expanded-pitch coil section at the embedded end, the insert distributes applied loads across a larger area of surrounding concrete, helping reduce localized stress concentrations and improve anchoring stability. This design makes Expanded Coil Coil Inserts suitable for demanding concrete connection, fixing, and anchoring applications. Manufactured with precision and consistent quality, HULK Metal provides customizable insert solutions in various sizes and specifications to meet diverse project requirements, supporting secure and dependable performance in modern construction.


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Parameters of HULK Metal Expanded Coil Coil Inserts:

Expanded Coil Coil InsertsExpanded Coil Coil Insert
Surface    TreatmentGalvinized
Safety Factor4:1   SWL
CodeBolt
D
#of
Struts
HWABCDUltimate
Mechanical
Capacity(Ibs)
Min.
Edge
Distance
Min.
Corner
Distance
Tension
( Ibs)
Shear
(Ibs)
HM-Cl23-103043/4”2 4-
1/2”
2-
1/8"
1-
13/16”
1-
7/8"
1-
11/16”
0.375”18000 14”20"4250 4250 
HM-Cl23-103041"25-
1/2”
2-
3/4"
2-
5/16"
2-
5/16"
2-

1/4"

0.440"25000 16"24"6250 6250 


Features of Expanded Coil Coil Inserts

  • Higher Quality Expanded Coil Coil Inserts:

    What Are Expanded Coil Coil Inserts?

     

    Expanded Coil Coil Inserts are specialized embedded connection components designed to create reliable threaded fixing points in precast and cast-in-place concrete. They feature a standard coil thread at one end and an expanded-pitch coil at the deeply embedded end. This expanded configuration distributes applied loads across a greater volume of surrounding concrete, helping improve load transfer and anchoring stability. They are available in different strut configurations and can be manufactured with or without mounting washers to accommodate various installation requirements.

     

    Description

     

    Expanded Coil Coil Inserts are manufactured by welding a standard coil to one end of the strut wires and an expanded-pitch coil to the opposite end. The expanded coil is positioned deeper within the concrete to provide more effective load distribution. Depending on project requirements, the inserts can be produced in two-, four-, or six-strut configurations with various diameters and lengths. Mounting washers and suitable protective plugs can also be supplied for convenient formwork installation and to help prevent concrete from entering the threaded section. Proper spacing and embedment should be maintained according to engineering specifications.

     

    Advantages of Expanded Coil Coil Inserts

     

    Enhanced Load Distribution: The expanded-pitch coil spreads applied loads through a larger volume of concrete, helping minimize localized stress and improve anchoring performance.

     

    Reliable Structural Connections: The standard threaded coil provides a secure engagement point for compatible bolts and fastening components in concrete construction applications.

     

    Multiple Structural Configurations: Two-, four-, and six-strut designs allow engineers and contractors to select suitable configurations according to project requirements and connection conditions.


    Flexible Size Options: Different diameters and customized lengths are available, making the inserts adaptable to various precast concrete components and structural connection requirements.

     

    Convenient Formwork Installation: Optional mounting washers help secure the insert accurately to the formwork before concrete placement, improving installation efficiency and positioning consistency.

     

    Durable Embedded Performance: The robust welded construction and expanded anchoring design provide dependable stability for demanding concrete fixing and structural connection applications.

     

    Customizable Solutions: HULK Metal can provide different specifications, configurations, and finishing options to meet specific project requirements and customer application needs.


    You can get free samples to check whether they can meet the requirements.
    Get Free Samples
  • Expanded Coil Coil Inserts With Shorter Lead Time:

    Expanded Coil Coil Inserts


    The Expanded Coil Inserts are designed with an expanded pitch coil at the end, which distributes the applied loads over a large area of concrete.

     

    Above capacities are based upon mechanical testing and available industry data.Maintain a minimum spacing between inserts of at least twice the minimum corner distances.Coil thread manufactured per specification.

     

    Table is based on 3,000 psi and 145 pcf concrete.

    Inserts must be set back 1/2” from concrete surface and have sufficient coil penetration by lifting bolt.


    You can get a solution with shorter order delivery times and guaranteed quality and quantity.
    Get Your Free Solution
  • Expanded Coil Coil Inserts with Better Service:

    24/7 Service

     

    Our experienced service team maintains continuous communication with customers, providing timely assistance for product inquiries, technical discussions, order coordination, and project-specific requirements across international markets.

     

    Quality Assurance Services

     

    We apply systematic quality inspections throughout manufacturing, including material verification, welding checks, dimensional control, and final assessment, ensuring dependable Expanded Coil Coil Inserts for demanding construction applications.

     

    Package Service

     

    Professional packaging solutions are selected according to product specifications and shipping conditions, helping protect Expanded Coil Coil Inserts from damage, moisture, and corrosion during handling and international transportation.

     

    After-Sales Services

     

    Our after-sales team responds efficiently to product feedback and technical concerns, coordinating practical solutions and maintaining effective communication to support customer satisfaction throughout the entire cooperation process.


    You can benefit from the comprehensive services of a dedicated client team.
    Contact Your Dedicated Service Team
  • Cost-controllable Expanded Coil Coil Inserts:

    Higher Quality Expanded Coil Coil Inserts

     

    Our Expanded Coil Coil Inserts are manufactured with carefully controlled forming and welding processes, delivering precise dimensions, secure construction, and dependable load-transfer performance for demanding concrete connection applications.

     

    Comprehensive Cost Control

     

    By coordinating material sourcing, production scheduling, quality inspection, and logistics, we optimize the entire supply chain, helping customers manage procurement budgets while maintaining stable product standards.

     

    Shape Your Brand Image

     

    Customized specifications, consistent manufacturing capabilities, and professional OEM support enable customers to strengthen product competitiveness, enhance market credibility, and establish a more recognizable presence in the construction industry.

     


    You can leave a request and get a more suitable quotation.
    Get a Better Quotation

Procurement Process

  • 01
    In-depth understanding of your requirement.
  • 02
    In-depth understanding of your requirement.
  • 03
    In-depth understanding of your requirement.
  • 04
    In-depth understanding of your requirement.
  • 05
    In-depth understanding of your requirement.
  • 09
    In-depth understanding of your requirement.
  • 08
    In-depth understanding of your requirement.
  • 07
    In-depth understanding of your requirement.
  • 06
    In-depth understanding of your requirement.

Other Coil Inserts You Might Want to Know

Besides Expanded Coil Coil Inserts, we also provide Straight Loop Coil Inserts, Flared Loop Coil Inserts, and Flared Thin Slab Coil Inserts. You can click on the corresponding picture for details. We will provide you with a full range of production services, and you can rest assured to place your order with us.

You Can Know About Expanded Coil Coil Inserts in Blogs

Here is what we can organize about the introduction, production, and quality inspection of expanded coil coil inserts, as well as some sharing from customers and details of our delivery. You can leave us a message if you want to share or get some content about expanded coil coil inserts.

Reviews

  • Mehul Gohel

    We have been very satisfied with these Expanded Coil Coil Inserts. The expanded coil design delivers reliable anchoring performance and makes them an excellent choice for our concrete connections.

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