What Aluminum T-Slot Bar Should I Use?

10Pcs Sliding T-Nut M4 for 2020 V-SlotT-Slot - 2020 t slot dimensions Dimensions: · M3 Spring Nut: Length – 10mm, Width – 6mm, Height – 4mm · M4 Spring Nut: Length – 10mm, Width – 6mm, Height 2020 t slot dimensions LCN: NA ; SKU: US-LR-2020-S ; Tags: 20 Series V-Slot, Extrusion, Labor Day Sale, V-Slot, V-Slot Linear Rail, vslot-ld2023 ; Weight 75 kg ; Dimensions, 150 × 2 × 2

2020 t slot Profile dimensions: 40x40mm Profile type: T-SLOT B-Type Slot width: 10mm Slot depth: 12mm Material: 6060-T5 Aluminium Alloy Surface treatment: BlackNatural