Red Copper Countersunk Machine Screws M2–M10 Phillips GB819
Red Copper Countersunk Machine Screws M2–M10 Phillips GB819
Details
Red Copper Phillips Flat Head Machine Screws – M2 to M10
Upgrade your electrical, DIY, and precision assembly projects with these premium red copper countersunk machine screws. Available in a wide range of metric sizes from M2 to M10, these Phillips-drive flat-head screws conform to the Chinese national standard GB819, ensuring consistent quality and dimensional accuracy every time.
Red copper (pure copper) offers excellent electrical conductivity, outstanding corrosion resistance, and superb thermal performance — making these screws the go-to fastener for electronics, PCB mounting, electrical panels, plumbing fixtures, and more. The countersunk flat head sits flush with the surface for a clean, professional finish.
Made in Mainland China.
Key Features
- Material: Pure Red Copper — high conductivity, corrosion-resistant
- Drive Style: Phillips (Cross) for easy, reliable tightening
- Head Style: Flat/Countersunk — sits flush for a neat finish
- Size Range: M2, M2.5, M3, M4, M5, M6, M8, M10
- Standard: GB819 — Chinese national standard for machine screws
- Certification: CE certified
- Customizable: Available in custom quantities (50–99 pcs per pack)
- Applications: Electronics, PCB assembly, electrical enclosures, plumbing, DIY projects
Specifications
| Attribute | Detail |
|---|---|
| Material | Red Copper (Pure Copper) |
| Drive Style | Phillips (Cross) |
| Head Style | Flat / Countersunk |
| Sizes Available | M2, M2.5, M3, M4, M5, M6, M8, M10 |
| Standard | GB819 |
| Certification | CE |
| Package Quantity | 50–99 Pcs |
| Country of Origin | Mainland China |
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Frequently Asked Questions
Q: What makes red copper screws better than stainless steel screws for electrical applications?
A: Red copper (pure copper) has significantly higher electrical conductivity than stainless steel, making these red copper machine screws ideal for grounding connections, PCB assemblies, and electrical enclosures where efficient current transfer is important. Copper also offers excellent corrosion resistance in many environments.
Q: Are these countersunk screws compatible with standard Phillips screwdrivers?
A: Yes! These GB819 red copper screws feature a standard Phillips (cross) drive, so they are fully compatible with any common Phillips screwdriver or bit set in the corresponding size.
Q: What size range is available, and can I order custom quantities?
A: These flat head machine screws are available in M2, M2.5, M3, M4, M5, M6, M8, and M10 sizes. Custom quantities are supported — each pack contains 50 to 99 pieces, and customization options are available to suit your project needs.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.
Materials + Care
We prioritize quality in selecting the materials for our items, choosing premium fabrics and finishings that ensure durability, comfort, and timeless appeal.
Shipping + Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.