
If you are using a T profile you will need one of these. I ordered both sizes plus mandrels for each. They cleanly cut through about 80 linear feet of MDF. They are high quality and you can't beat the price.

Bosch 1608132006 Rabbeting Depth Planers
4 Review

πͺ Bosch 85609M: High-Performance Carbide Tipped Slotting Tool for Precision Cuts
5 Review

πͺ Precision Slotting Cutter Assembly by Amana Tool: Achieve Clean and Accurate Cuts
3 Review

Cutting disc BOSCH Multi Wheel 2608623013, 125 mm 1
8 Review