Hex Spacer M3x20 m/f (copper)

From the shop's description

The M3x20mm male-Female Hex Spacer is a robust and precise component designed to separate or stack PCBs and mechanical parts. With internal M3 threading on both ends , this spacer allows you to insert male-threaded screws from either side, offering flexible mounting in compact spaces. Made of high-quality copper , it ensures superior electrical conductivity , corrosion resistance , and structural durability . Its 20mm length provides generous spacing, ideal for mounting boards with large components or connectors. 🔹 Specifications: Thread Type: M3 (male-female) Spacer Length: 20mm Body Shape: Hexagonal Material: Copper Finish: Natural brass/copper tone Corrosion Resistant: ✔️ Conductive: ✔️ Compatible Screws: M3 Male Thread 🔹 Key Features: Internal threads on both ends Durable hexagonal copper body Ideal for electronics, robotics, and mechanical assemblies Provides ample spacing (20mm) Easy to use with M3 screws 🔹 Applications: PCB mounting and stacking 3D printer and CNC components Robotics structures Control panels and embedded projects General hardware prototyping