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Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt - Hebei Dewei Metal Products Co., Ltd
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Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt

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Home - Products - Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt

Products

  • Bolt 
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    • Eye Bolt
    • Expansion Bolt
    • Flange Bolt
    • Foundation Bolt
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  • Jack, lifting device
  • Caster wheels
  • Customized Products
  • Expansion series
The global market for customized special-shaped parts welcomes technological innovation, and China’s smart manufacturing opens a new track for going overseas-dewell fastener factory provides bolt and nut.washer.Metal Stamping products.Caster wheels.lifting device.jack device

The global market for customized special-shaped parts welcomes technological innovation, and China’s smart manufacturing opens a new track for going overseas-dewell fastener factory provides bolt and nut.washer.Metal Stamping products.Caster wheels.lifting device.jack device

In-depth insights into the international standard parts industry: opportunities and challenges under the reconstruction of the global supply chain (2023-2024 strategic analysis report) fastener

In-depth insights into the international standard parts industry: opportunities and challenges under the reconstruction of the global supply chain (2023-2024 strategic analysis report) fastener

Choosing the Right Bolt and Nut: A Comprehensive Guide for Construction and Mining Professionals fastener

Choosing the Right Bolt and Nut: A Comprehensive Guide for Construction and Mining Professionals fastener

Focus and trend analysis of the jack industry fastener

Focus and trend analysis of the jack industry fastener

Universal wheels

Universal wheels

A New Benchmark for Special-shaped Parts Manufacturing -dewell fastener factory provides bolt and nut.washer.Metal Stamping products.Caster wheels.lifting device.jack device

A New Benchmark for Special-shaped Parts Manufacturing -dewell fastener factory provides bolt and nut.washer.Metal Stamping products.Caster wheels.lifting device.jack device

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  • Metal Stamping Parts Precision electronic stamping parts

    Metal Stamping Parts Precision electronic stamping parts

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    Foundation Bolt

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    Carbon Steel Square Weld Nuts Custom Size

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    Stainless Steel Or Carbon Steel M1.6-m39 Half Thread Hexagon Bolt

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    Carriage Bolt

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    Refrigerator structural parts stamping parts

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    Standard Solid Wheels, Tire Style Wheels, caster wheels

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    Hexagon Socket bolt black

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  • Square Weld Nuts DIN 928 DIN 557 Stainless Steel 304 Metric wholesale different types square nut for motorcycle battery

    Square Weld Nuts DIN 928 DIN 557 Stainless Steel 304 Metric wholesale different types square nut for motorcycle battery

  • Stainless steel hexagonal flange nut

    Stainless steel hexagonal flange nut

  • High Strength DIN 580 Eye Bolt

    High Strength DIN 580 Eye Bolt

  • Customized Products no.27

    Customized Products no.27

  • PTFE Washer

    PTFE Washer


Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt
Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt
Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt
Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt
Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt
Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt
Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt
Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt
Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt
  • Free Sample Expansion Screw Through Bolt and Nuts Hex Concrete Wall Hardware Wedge Anchors Bolt

    Size (Diameter) M6, M8, M10, M12, M16, M20
    Length 40mm – 300mm
    Material Carbon Steel, Stainless Steel
    Sample Free
    Delivery 30~45 Days
    Packaging 1. Small Box+ Carton+ Pallet 2. According to Customer’s Requirement

    Submit application
    •  WhatsApp: +8613373001287
    •  Email: admin@dewellfastener.com

    Description

    Sign

    Size of Anchor

    Size Drill Hole Diameter [mm] Length [mm] Pull Out Load
    M6 6 40-100 850
    M8 8 50-120 1150
    M10 10 60-200 1500
    M12 12 80-220 2300
    M16 16 100-300 3400
    M20 20 100-300 5400
    1

    Car repair geckos are fixed devices used to create stable connections on walls or other surfaces, also known as expansion bolts or expansion bolts. It is usually composed of bolts, nuts, washers, and outer sleeves, among which the outer sleeve is a hollow metal tube, usually made of stainless steel or other corrosion-resistant materials. The working principle of the car repair gecko is to use the expansion of the outer sleeve to fix objects. During installation, the bolt is inserted into the pre drilled hole, and then the nut is tightened. The groove or cut of the outer sleeve is squeezed during the tightening process of the nut, thereby tightly fitting with the inner wall of the hole and forming a firm connection. This connection method is suitable for very sturdy surfaces such as concrete and brick walls, and can provide adjustable tightness.

    The characteristics of the car repair gecko include:

    Easy to install: No special tools required, only a drill bit and a hammer or impact drill are needed for installation.

    High load-bearing capacity: suitable for medium to heavy projects, such as installing large equipment or hanging ceiling grids.

    Universality: Provides multiple sizes and styles to meet different application needs.

    Strong support: When installed correctly, the expansion of the car repair gecko in the pre drilled concrete hole provides an incredible and powerful support.

    The application fields of car repair geckos are very wide, including but not limited to concrete and dense natural stone, metal structures, bottom plates, support plates, brackets, railings, windows, curtain walls, machines, beams, beams, brackets, etc. Its thread is longer, easier to install, and is usually used in heavy-duty facilities. To obtain reliable fastening force, it is necessary to ensure that the clamp ring fixed on the gecko is fully expanded, and the expansion clamp ring cannot fall off the rod or twist or deform in the hole. The maximum safe load shall not exceed 25% of the calibrated tensile value obtained from testing under the condition of cement strength of 260~300kgs/cm2.

    The design of the car repair gecko includes an extended wedge inserted into a pre drilled hole in the concrete. By tightening the screw to generate pulling force, a wedge/conical compression clip is used for expansion to generate frictional force for fixation. This design allows car repair geckos to adapt to different installation needs while providing stable connections and strong support.

    The standards for repairing geckos mainly include their material, testing strength, maximum load, and application areas. ‌‌

    Material: Car repair geckos are usually made of stainless steel, carbon steel, and other metal materials, and the selection of these materials ensures that they have good strength and corrosion resistance.

    Test strength: The calibration tensile value of the car repair gecko is tested under the condition of cement strength of 260~300kgs/cm ². This test strength standard ensures its reliability and safety in various applications.

    Maximum load: The value of the safe load shall not exceed 25% of the calibration value. This regulation limits the maximum load-bearing capacity of the car repair gecko under specific conditions to prevent safety hazards caused by overload.

    Application areas: Car repair geckos are suitable for the installation and fixation of various structures and facilities such as concrete and dense natural stone, metal structures, bottom plates, support plates, brackets, railings, windows, curtain walls, machines, beams, beams, brackets, etc. Its wide range of application areas reflects its versatility and practicality.

    In summary, the standards for car repair geckos not only include specific requirements for their material and testing strength, but also include limitations on their maximum load and a wide range of application areas. These standards together ensure the safety and effectiveness of car repair geckos in various applications.

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    Our Factory

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    Shipping Method

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    FAQ

    How long is your delivery time? Expand

    Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

    Do you provide samples ? is it free or extra ? Expand

    Yes, we could offer the sample for free charge but do not pay the cost of freight.

    Is it possible to add client's logo on the products ? Expand

    Yes,OEM service is acceptable.

    What is your terms of payment ? Expand

    Payment<=1000USD,100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.

    Can you supply the relevant documentation? Expand

    Yes, we can provide most documentation including Certificates of Analysis /Conformance; Insurance; Origin, and other export documents where required.

    What is the average lead time? Expand

    For samples, the lead time is about 7 days. For mass production, the lead time is 20-30 days after receiving the deposit payment. The lead times become effective when (1) we have

    received your deposit, and (2) we have your final approval for your products. If our lead times do not work with your deadline, please go over your requirements with your sale. In all

    cases we will try to accommodate your needs. In most cases we are able to do so.

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