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CM M1.6–M6 Black 304 Stainless Steel Phillips Ultra Thin Low Flat Wafer Head Bolt Screw for Laptop Computer
CM M1.6–M6 Black 304 Stainless Steel Phillips Ultra Thin Low Flat Wafer Head Bolt Screw for Laptop Computer
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CM M1.6–M6 Black 304 Stainless Steel Phillips Ultra Thin Low Flat Wafer Head Screw — Laptop & Computer
Black 304 stainless steel Phillips wafer head screws combine the ultra-low profile of a wafer head with a black oxide / black passivated finish for a clean, professional aesthetic in dark electronics builds, black laptop chassis, and precision instruments where silver screws would be visually inconsistent. A2-grade 304 stainless steel provides corrosion resistance for long-term reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Material | 304 Stainless Steel |
| Finish | Black (black oxide / passivated) |
| Drive | Phillips (cross head) |
| Head Style | Wafer head (ultra-thin super low flat) |
| Size Range | M1.6, M2, M2.5, M3, M4, M5, M6 |
| Thread Type | Machine thread (metric ISO) |
| Series | CM (thin head series) |
Why Choose Black Wafer Head Screws?
- Black finish — professional matte black appearance; matches black laptop chassis, dark electronics enclosures, and black anodised aluminium panels
- Ultra-thin wafer head — lowest possible head profile; fits inside slim laptop chassis and tight enclosures where standard screws won’t fit
- 304 stainless steel — corrosion-resistant; superior to black carbon steel for humid and outdoor environments
- M1.6–M6 range — covers miniature precision instruments through standard electronics assembly
- Phillips drive — compatible with all standard precision screwdrivers
Typical Applications
- Black laptop and ultrabook chassis repair (Lenovo ThinkPad, Dell XPS, Razer Blade)
- Dark electronics enclosure and instrument panel assembly
- Black anodised aluminium enclosure fastening
- Camera body and optical instrument assembly (M1.6–M2.5)
- PC case internal assembly with black hardware aesthetic
- Medical device and laboratory instrument assembly
Compatible With
- Phillips screwdrivers: #000 (M1.6), #00 (M2–M2.5), #0 (M2.5–M3), #1 (M3–M4), #2 (M5–M6)
- Pre-tapped holes or hex nuts M1.6–M6
- Black anodised aluminium, ABS, polycarbonate, and magnesium alloy chassis
Package Contents
- Black wafer head screws in selected size, length, and quantity (per variant)
Frequently Asked Questions
- Q: Is the black finish on these screws durable?
- A: The black finish on 304 stainless steel (black passivation or black oxide) is more durable than black oxide on carbon steel. It provides corrosion resistance while maintaining the black appearance. It is suitable for indoor electronics and moderate outdoor exposure.
- Q: What is the CM series designation?
- A: CM refers to the Chinese standard thin head (wafer head) screw series, equivalent to the ultra-thin flat large head specification. CM screws have a larger head diameter and lower head height than standard pan head screws of the same thread size.
- Q: Can I use these for Lenovo ThinkPad repair?
- A: Yes. Lenovo ThinkPad laptops commonly use M2 and M2.5 black screws for chassis, keyboard, and motherboard mounting. These black 304 SS wafer head screws match the OEM specification and appearance.
