4 Pack 2040 Aluminum Profile Extrusion V Slot Linear Rail Guide Frame 400mm Anodized Black For 3D Printer Laser Engraving Machine And CNC DIY Projects Built Tough And Precision Ready

2040 Aluminum V-Slot Rail Kit for DIY Printer Frames
✔️ 4x 2040 aluminum profiles, anodized black, 400mm long, V-slot

This is a 4-pack of 2040 aluminum extrusion profiles finished in black anodize. The V-slot design provides smooth movement and strong frame stability, ideal for building DIY 3D printers, laser engravers, CNCs, and automation stands.

✅ Material: Aluminum profile with high strength and corrosion resistance
✅ Finish: Black anodized for smooth surface and easy machining
✅ Size: 15.75 x 1.75 x 0.78 in (400 x 44.45 x 19.8 mm)
✅ Pack: 4 pieces, ready for DIY framing and quick assembly

💡 What is an aluminum extrusion profile with V-slot used for in DIY CNC and 3D printer builds?

A handy framing solution that adds rigidity and modularity for hobby machines.

• handy framing for DIY CNC and 3D printer projects using 2040 profiles
• easy mounting with 4.4 mm center holes and 6.2 mm V-slot width
• durable, lightweight aluminum with black anodized finish for longevity