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English Copper Knurled Through Hole Injection Molded Nut

Injection nuts, often referred to as injection-molded nuts, are a category of fasteners produced through injection molding processes. Knurled injection nuts, alternatively called knurled lock nuts or knurled thread nuts, are a specialized variant that merges the benefits of injection molding with the addition of a knurled exterior.
  • Nut

  • ARIDA

  • 7318159090

  • CNC machining center

  • Stainless Steel

  • One year quality warranty, door-to-door machine care

  • Fastener

  • Cold Forging

  • High Rigidity and Precision

  • ISO, GS, RoHS, CE

  • One year

  • Forging

  • Machinery, Building, Aotu Patrs

  • Standard exporting package

  • Acoording to client's require to provide Model

  • ARIDA

  • China

  • CNC precision

  • New

  • Motor

  • Worldwide

  • yes

  • Plain,Zinc Plated,Copper Plating, Phosphating, etc

  • CNC

Availability:
Quantity:
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Product Prameters
滚花螺母图纸


Specification Thread Size Thread pitch Thickness
(mm)
Outer diameter
(mm)
M2*3*3.2 M2 0.4 3 3.2
M2*4*3.2 M2 0.4 4 3.2
M2*5*3.2 M2 0.4 5 3.2
M2*6*3.2 M2 0.4 6 3.2
M2*3*3.5 M2 0.4 3 3.5
M2*4*3.5 M2 0.4 4 3.5
M2*5*3.5 M2 0.4 5 3.5
M2*6*3.5 M2 0.4 6 3.5
M2.5*3*4 M2.5 0.45 3 4
M2.5*4*4 M2.5 0.45 4 4
M2.5*5*4 M2.5 0.45 5 4
M2.5*6*4 M2.5 0.45 6 4
M3*3*5 M3 0.5 3 5
M3*4*5 M3 0.5 4 5
M3*5*5 M3 0.5 5 5
M3*6*5 M3 0.5 6 5
M3*8*5 M3 0.5 8 5
M3*10*5 M3 0.5 10 5
M3*12*5 M3 0.5 12 5
M4*4*6 M4 0.7 4 6
M4*5*6 M4 0.7 5 6
M4*6*6 M4 0.7 6 6
M4*8*6 M4 0.7 8 6
M4*10*6 M4 0.7 10 6
M4*12*6 M4 0.7 12 6
M5*5*7 M5 0.8 5 7
M5*6*7 M5 0.8 6 7
M5*8*7 M5 0.8 8 7
M5*10*7 M5 0.8 10 7
M5*12*7 M5 0.8 12 7
M6*6*8 M6 1 6 8
M6*8*8 M6 1 8 8
M6*10*8 M6 1 10 8
M6*12*8 M6 1 12 8


Key Features
  • Material Properties: Copper nuts are typically made from pure copper (commonly referred to as "electrolytic tough pitch" or ETP copper) or copper alloys such as brass, bronze, or cupro-nickel. These materials provide good strength while maintaining the desirable properties of copper.

  • Corrosion Resistance: Copper and its alloys offer superior resistance to corrosion compared to many other metals, making them ideal for use in marine environments or applications where exposure to moisture or chemicals is expected.

  • Thermal and Electrical Conductivity: Due to their high conductivity, copper nuts are used in applications where heat dissipation or electrical grounding is required. They can be found in electrical panels, circuit boards, and other components where reliable electrical connections are necessary.

  • Machinability: Copper and copper alloys are relatively easy to machine, which makes it possible to manufacture copper nuts in various sizes and configurations, including standard hexagonal shapes, wing nuts, and custom designs.

  • Applications: Copper nuts find use in a wide range of industries, including plumbing, electronics, marine, and automotive. They are commonly used in plumbing fixtures, electrical installations, and any application where the non-sparking and non-magnetic properties of copper are beneficial.

  • Installation: Copper nuts can be installed using standard tools like wrenches or pliers. However, due to the softer nature of copper, care must be taken not to over-tighten them, which could cause deformation or damage to the threads.

  • Standards and Specifications: Copper nuts are often manufactured to meet specific industry standards and specifications, such as ASTM B584 for copper and ASTM B466 for brass nuts.

Applications
  1. Electrical Applications:

    • Electrical Panels and Wiring: Copper nuts are used for securing electrical connections because of their excellent electrical conductivity.

    • Grounding Connections: They are ideal for grounding systems due to their corrosion resistance and conductivity.

    • Electrical Equipment: Copper nuts are often used in switchgear, transformers, and other electrical equipment.

  2. Plumbing and HVAC Systems:

    • Pipe Fittings: Copper nuts are used in plumbing systems for securing pipe fittings and valves.

    • Radiators and Heating Systems: They are used in heating systems where corrosion resistance is critical.

  3. Marine and Nautical Industry:

    • Boat Building: Copper nuts are used in boat building and marine equipment because they resist corrosion in saltwater environments.

    • Underwater Fixtures: They are used in underwater lighting and other submerged applications.

  4. Automotive Industry:

    • Fuel Systems: Copper nuts are used in fuel system components where non-sparking properties are essential.

    • Engine Components: They can be used in engine blocks and other areas requiring corrosion-resistant fasteners.

  5. Chemical Processing Industry:

    • Valves and Piping: Copper nuts are used in chemical processing plants where they come into contact with corrosive chemicals.

    • Equipment Mounting: They are used for mounting equipment and instruments in harsh environments.

  6. Telecommunications Industry:

    • Cable Connections: Copper nuts are used in telecommunications infrastructure for securing cables and connectors.

  7. Aerospace Industry:

    • Non-Sparking Applications: In aerospace applications, copper nuts are used where there is a risk of sparks causing fires or explosions.

  8. Research and Development:

    • Laboratory Equipment: Copper nuts are used in laboratory equipment where they provide reliable and durable connections.

  9. Renewable Energy Systems:

    • Solar Panels: Copper nuts are used in solar panel installations for securing components and wiring.

    • Wind Turbines: They are used in wind turbine components for their corrosion resistance and conductivity.

  10. Art and Jewelry Making:

    • Decorative Purposes: Copper nuts can be used in art and jewelry projects for their aesthetic appeal and color.

Sample Display
注塑铜螺母
注塑铜螺母2
滚花注塑铜八字纹螺母
Considerations
  • Thermal Expansion: The difference in thermal expansion rates between the plastic and metal can affect the integrity of the bond, especially in high-temperature applications.

  • Design Compatibility: The design of the substrate and the nut must be compatible to ensure a secure and durable bond.

  • Material Selection: Choosing the right materials for both the plastic and the metal nut is crucial to ensure compatibility and performance.

Advantages
  • Secure Attachment: The injection process ensures a strong bond between the nut and the surrounding material, providing a secure attachment point.

  • Durability: The combination of plastic and metal provides good durability and resistance to corrosion.

  • Easy Installation: Injection nuts can be easily installed using various methods, such as heat staking or ultrasonic welding.

  • Cost-Effective: They are often more cost-effective than alternative fastening methods, especially for mass-produced items.

Shipping

transport selection


  1. Packaging:

    • Use sturdy packaging materials to protect the copper nuts during transit.
    • Consider using bubble wrap, foam inserts, or individual plastic sleeves to prevent scratches and damage.
    • Ensure the packaging is properly sealed to prevent moisture ingress, which can lead to corrosion.
  2. Labeling:

    • Clearly label the package with the contents, including a description of the copper nuts and their quantity.
    • Include the recipient's full address and contact information.
    • Use proper customs declaration forms if required.
  3. Documentation:

    • Provide accurate commercial invoices for customs clearance.
    • If necessary, obtain certificates of origin, especially for countries with specific import requirements.
    • Consider any special documentation required by the destination country.
  4. Shipping Method:

    • Choose a reliable carrier with a good track record for international shipments.
    • Consider the cost and speed of different shipping methods, such as air freight or sea freight.
    • For urgent shipments, expedited services may be necessary.
  5. Insurance:

    • Insure the shipment to cover potential losses or damages during transit.
    • Check with the carrier about insurance options and coverage limits.
  6. Tracking:

    • Obtain a tracking number to monitor the progress of the shipment.
    • Provide the tracking details to the recipient so they can also track the package.
  7. Customs Duties and Taxes:

    • Research the import duties and taxes applicable in the destination country.
    • Inform the recipient about potential additional costs they may incur upon delivery.
    • Consider pre-paying duties and taxes if possible to simplify the process for the recipient.
  8. Compliance:

    • Ensure compliance with local and international shipping regulations.
    • Check if there are any restrictions or prohibitions on shipping copper nuts to certain destinations.
    • Be aware of hazardous materials regulations, even though copper nuts are generally not considered hazardous.
  9. International Shipping Regulations:

    • Familiarize yourself with the regulations of the International Air Transport Association (IATA) and the International Maritime Organization (IMO) if applicable.
    • Follow the guidelines set by the World Customs Organization (WCO).
  10. Customer Service:

    • Provide clear instructions and support to the recipient regarding the delivery process.
    • Be available to answer questions and assist with any issues that may arise during transit.

Customer Review


Customer feedback on copper nuts can vary based on the specific application and the quality of the product. Here are some typical comments and feedback that customers might give regarding copper nuts:

Positive Feedback:

  1. Corrosion Resistance:

    • "I've been using these copper nuts in my marine project, and they have held up exceptionally well against saltwater corrosion."

    • "The copper nuts have remained pristine even after years of outdoor exposure."

  2. Conductivity:

    • "These copper nuts work great for my electrical grounding needs. The conductivity is top-notch."

    • "I've noticed a significant improvement in the performance of my electrical connections since switching to copper nuts."

  3. Ease of Installation:

    • "They are easy to install and remove without damaging the threads."

    • "The hexagonal shape allows for a secure grip with wrenches, making installation quick and efficient."

  4. Aesthetics:

    • "The natural patina that develops over time adds a nice touch to my home decor projects."

    • "The copper color looks great in my jewelry pieces."

  5. Strength and Durability:

    • "Despite being made of copper, these nuts are surprisingly strong and hold tight in all my plumbing fixtures."

    • "They have stood up to the test of time and heavy use in my workshop."

Negative Feedback:

  1. Softness:

    • "Be careful not to over-tighten; I stripped a couple of the threads accidentally."

    • "The softness of the copper means you need to be gentle during installation to avoid damaging the threads."

  2. Price:

    • "Copper nuts are more expensive than steel nuts, but I guess you pay for the quality."

    • "While the price is higher, the long-term savings from reduced maintenance make it worth it."

  3. Specific Applications:

    • "Not all sizes were available, which limited my options for certain projects."

    • "For high-stress applications, I prefer a harder material like brass or stainless steel."

  4. Availability:

    • "Finding the exact size and grade I needed was a bit of a challenge."

    • "It took me some time to find a supplier that offered the specific type of copper nut I required."

  5. Non-Standard Shapes:

    • "I wish there were more shapes available, like wing nuts or eye bolts, specifically made from copper."

    • "I had to settle for a standard hexagonal shape, which wasn't exactly what I wanted for my project."

General Comments:

  • "Overall, I'm very satisfied with the performance of copper nuts in my projects."

  • "While they require a bit more care, the benefits of using copper nuts far outweigh the minor inconveniences."


Certificate
  • 证书CERTIFICATE



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