Copper Sheet Metal Screws
Weight Range ： 0.5g–500kg
Dimensional tolerance ： ±0.1mm
"Please provide product specifications so that we can offer specific pricing and MOQ."
Copper sheet metal screws have a relative magnetic permeability of approximately 1.0, making them virtually non-magnetic. Its surface roughness Ra value can be controlled within 0.8 microns. These two data make it perform well in precision equipment that is sensitive to magnetic fields or requires high surface finish, and can effectively avoid signal interference and installation stuck problems.
The ultimate installation torque to yield torque ratio of the screw can be greater than 0.85 in terms of installation performance. During assembly, this indicator makes sure there is enough safety margin to avoid screw breakage from overload. The head geometry depth tolerance can be controlled within ±0.1 mm thanks to the stability of the cold heading process.
Drawing Design & Confirm
Obtain drawings from clients or produce drawings based on their samples or specifications.
The drawings, product raw materials, surface treatment, and other details are attested to by both parties.
Advantages
★ Excellent corrosion resistance
In the neutral salt spray test, premium copper screws with nickel or tin plating can withstand more than 96 hours without showing signs of red rust. The lifespan of regular natural brass is only 12 to 24 hours. Superior copper screws can successfully withstand oxidation and corrosion in damp or maritime conditions. The fasteners' service life is greatly increased as a result. Additionally, maintenance expenses are decreased.
★ Precise thread forming
High-precision grades of copper self-tapping screws have thread tolerances controlled to within 0.1 mm. Every product has passed the pass and stop regulations' comprehensive inspection. When screws are inserted into thin plates, this accuracy guarantees the formation of regular internal threads. Prevent tooth jamming or slipping. There is a high level of assembly torque consistency. Particularly appropriate for installing automated production lines in large quantities.
★ Diverse surface treatments
Superior copper screws offer a variety of surface treatments, including natural anti-oxidation, nickel plating, and tin plating. The nickel plating layer may be thicker than five microns. The tolerance time for salt spray is longer than ninety-six hours. Depending on the application environment, users can make flexible selections. Nickel plating considers both aesthetics and rust resistance. Soldering is made easier by tin plating. The original color preserves the copper's original texture. Fulfill the various scenes' functional and aesthetic requirements.
★ Unique decorative appearance
Copper screws' distinctive red-gold hue has inherent aesthetic value. A high-end appearance doesn't require any extra coating. To create a mirror effect, the surface can be polished. Gloss levels are higher than 500 GU. A matte texture is produced by the brushed finish. It is well-liked in a variety of industries, including high-end electronics, lamps, and furniture. considering both practicality and aesthetic appeal.
why choose us
► Simplify inventory management
Conductivity, corrosion resistance, and decoration are all satisfied by a single material. Cut down on the variety of materials. Decrease the complexity of inventory management.
► Avoid thread seizure
Cold welding seizure is unlikely to happen when used with stainless steel or other copper alloys. Simple to dismantle. Ideal for components that need to be disassembled and reassembled frequently.
► Emergency alternative convenience
Copper has a softer texture. Simple to adapt for last-minute fixes. can be filed on location to change its shape or length. Make sure that emergency repairs proceed without hiccups.
► Easy to file on site
The hardness of copper material is moderate. During on-site installation, the file length can be changed as necessary. Easy to make short-term changes. Boost the adaptability of construction.
Price & Order
Provide a quote, ensure that the order quantity is accurate,
and include all relevant details, such as the terms of payment, the terms of trade, the type of packaging, etc.
Production & Shipping
Follow the original drawings and samples exactly when producing the goods.
It was carefully packaged and delivered to the clients following a final inspection.
◆ ◆ ◆ F A Q ◆ ◆ ◆
What materials do you mainly use for copper screws like this?
- We mainly use brass C36000, and also use phosphor bronze C51000.
Can these screws be used outdoors?
- Yes
What specifications do you generally have?
- Metric systems are available from ST2.9 to ST6.3, and US systems are available from #4 to #14.
How long does your delivery usually take?
- If the quantity is large or special specifications are required, it will take about two weeks, depending on the quantity.
What is the minimum order quantity? Can I buy a small batch to try first?
- Of course, we can also do it in small batches. The minimum order quantity is 1,000 pieces. You can take it back and try it on first. If you have no problem, you can place a large order.
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