The M3 Copper Spacer (30mm) is a male-to-female hex standoff designed for mechanically and electrically mounting PCBs and other hardware components. Made from durable, corrosion-resistant brass (copper alloy), this standoff provides excellent conductivity and stability—ideal for separating circuit boards, securing displays, or building structural layers in electronics projects.
With M3 threading and a standard 30mm body length, it’s perfect for Arduino, Raspberry Pi, 3D printers, drones, and DIY enclosures.
Key Features
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M3 male-to-female hex spacer
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30mm body length for optimal clearance
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Made from high-quality brass (copper alloy)
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Corrosion-resistant and durable
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Easy to screw by hand or with tools
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Ideal for PCB mounting, mechanical layering, and prototyping
Specifications
| Parameter | Value |
|---|---|
| Thread Type | M3 |
| Spacer Type | Male to Female (M/F) |
| Body Length | 30mm |
| Thread Length | ~6mm (male side) |
| Material | Copper alloy (brass) |
| Shape | Hexagonal body |
| Applications | PCB mounting, Arduino, Raspberry Pi, mechanical support |
Package Includes
1 × M3 Copper Spacer – 30mm Male to Female

