Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of carbon steel wedge anchor blue zinc plated in China. Welcome to buy bulk high quality carbon steel wedge anchor blue zinc plated made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.
Material and Manufacturing Process
Material: High-grade carbon steel sourced from qualified mills to ensure consistent quality and mechanical properties.
Manufacturing Process: Precision cold heading and thread rolling processes ensure dimensional accuracy and thread integrity. The wedge mechanism is precisely machined for reliable expansion.
Surface Finish: Blue zinc plated, providing a distinctive appearance with corrosion resistance suitable for indoor and protected outdoor applications. For higher corrosion resistance requirements, yellow zinc, hot-dip galvanizing, or Dacromet coatings are available.
Grade: Class 4.8 / 8.8 available depending on application requirements.
Customer Pain Points and Our Solutions
Pain Point: Inconsistent Expansion
Wedge anchors that fail to expand properly in the hole create unreliable holding strength and potential safety hazards.
Our Approach: Precision-machined wedge and expansion clip ensure consistent, reliable expansion every time. Each batch undergoes installation simulation testing to verify expansion performance across different base materials.
Pain Point: Rust and Corrosion
Blue zinc plated anchors exposed to moisture or long shipping times often develop white rust or red rust, leading to customer rejection.
Our Approach: We control plating thickness to meet specifications and ensure uniform coverage on all surfaces, including the wedge and expansion clip. For demanding environments, we recommend upgrading to yellow zinc or hot-dip galvanized finishes.
Pain Point: Stripped Threads or Thread Damage
Damaged threads during installation or shipping create installation difficulties and wasted time on site.
Our Approach: Threads are rolled, not cut, preserving metal grain structure for stronger, more damage-resistant threads. Protective caps on threaded ends prevent damage during packaging and transport.
Quality Control
We ensure consistent quality through verified processes.
Raw Material Inspection
Spectrometer testing on incoming steel to verify composition.
In-Process Control
Inspection points at cold heading, thread rolling, and assembly stages.
Final Testing
Each batch tested for hardness, tensile strength, expansion performance, and plating thickness.
Certification
ISO 9001:2015 certified. Material certificates and test reports available upon request.
Customization Services
Standard wedge anchors are available in a range of diameters and lengths, but we understand that projects often have specific requirements.
Custom Sizes
Diameters and lengths to meet your specifications.
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Custom Coatings
Blue zinc, yellow zinc, hot-dip galvanizing, Dacromet, or other finishes as required.
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Custom Packaging
Private labeling, custom cartons, pallet configurations tailored to your needs.
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Complete Kits
Anchors with matching nuts and washers for one-stop sourcing.
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What we need from you
Specifications, quantities, packaging instructions, and any special requirements.
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