40mm x 40mm T Slot Aluminum Extrusion for 80 20 Style Builders Black Anodized 1220mm Length Heavy Duty DIY Linear Rail Bar for CNC Tables Machine Frames Workstations and Custom Projects

40x40 T-slot Aluminum Extrusion, Black, 1220mm single piece
✔️ Heavy duty 40x40 T-slot extrusion, 6063-T6, black anodized, 1220mm

This 40 Series 8020-style aluminum extrusion uses four open t-slots to accept 40x40 joining plates and accessories. Built from high-strength 6063-T6 aluminum with a black anodized finish, it provides a sturdy backbone for CNC tables, machine frames, automation setups, and other modular builds.

✅ Four open t-slots run the full length to accept 40x40 joining plates and accessories
✅ 6063-T6 aluminum with black anodized finish for strength
✅ Deburred ends, clean cuts, and tight tolerances for precise assemblies
✅ 1220mm length suitable for CNC frames, workstations, and guard enclosures

💡 What is a long-tail question describing this product in modular framing?

It's a handy backbone for building sturdy, adjustable frames in automation projects.

- handy for 40x40 framing and 8020-style builds
- supports joining plates and brackets for CNC tables and workstations
- great for automation equipment and DIY machine frames
- compatible with 6063-T6 aluminum and black anodized finishes
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